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12120033331320 = 2335101000277761
BaseRepresentation
bin1011000001011110101001…
…0010000000100001111000
31120220122220221222010021020
42300113222102000201320
53042033312013100240
641435511052542440
72360433503336535
oct260275222004170
946818827863236
1012120033331320
113953093935272
121438b3a781a20
1369bbb6777315
142dc88151dd8c
1516040acac0d0
hexb05ea480878

12120033331320 has 32 divisors (see below), whose sum is σ = 36360099994320. Its totient is φ = 3232008888320.

The previous prime is 12120033331319. The next prime is 12120033331327. The reversal of 12120033331320 is 2313333002121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120033331327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50500138761 + ... + 50500139000.

Almost surely, 212120033331320 is an apocalyptic number.

12120033331320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120033331320 is an abundant number, since it is smaller than the sum of its proper divisors (24240066663000).

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

12120033331320 is a wasteful number, since it uses less digits than its factorization.

12120033331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000277775 (or 101000277771 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12120033331320 its reverse (2313333002121), we get a palindrome (14433366333441).

The spelling of 12120033331320 in words is "twelve trillion, one hundred twenty billion, thirty-three million, three hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 101000277761 202000555522 303000833283 404001111044 505001388805 606001666566 808002222088 1010002777610 1212003333132 1515004166415 2020005555220 2424006666264 3030008332830 4040011110440 6060016665660 12120033331320