Search a number
-
+
121220232322000 = 245378658588023
BaseRepresentation
bin11011100011111111001000…
…111000110001101111010000
3120220012112121102011121001011
4123203333020320301233100
5111342033013433301000
61105451450030220304
734350605234610550
oct3343771070615720
9526175542147034
10121220232322000
1135696236a39279
1211719362654694
135284032582436
1421d113a677160
15e0333a69d2ba
hex6e3fc8e31bd0

121220232322000 has 80 divisors (see below), whose sum is σ = 334983453472512. Its totient is φ = 41561222505600.

The previous prime is 121220232321961. The next prime is 121220232322009. The reversal of 121220232322000 is 223232022121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121220232322009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4329280012 + ... + 4329308011.

Almost surely, 2121220232322000 is an apocalyptic number.

121220232322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121220232322000 is an abundant number, since it is smaller than the sum of its proper divisors (213763221150512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121220232322000 is an equidigital number, since it uses as much as digits as its factorization.

121220232322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658588053 (or 8658588037 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 121220232322000 its reverse (223232022121), we get a palindrome (121443464344121).

The spelling of 121220232322000 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred thirty-two million, three hundred twenty-two thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 125 140 175 200 250 280 350 400 500 560 700 875 1000 1400 1750 2000 2800 3500 7000 14000 8658588023 17317176046 34634352092 43292940115 60610116161 69268704184 86585880230 121220232322 138537408368 173171760460 216464700575 242440464644 303050580805 346343520920 432929401150 484880929288 606101161610 692687041840 865858802300 969761858576 1082323502875 1212202323220 1515252904025 1731717604600 2164647005750 2424404646440 3030505808050 3463435209200 4329294011500 4848809292880 6061011616100 7576264520125 8658588023000 12122023232200 15152529040250 17317176046000 24244046464400 30305058080500 60610116161000 121220232322000