Search a number
-
+
1211210012230 = 25121121001223
BaseRepresentation
bin10001101000000001101…
…111100001011001000110
311021210100022022201211121
4101220001233201121012
5124321024230342410
62324231110024154
7153335625143311
oct21500157413106
94253308281747
101211210012230
11427742526209
121768a794805a
138a2a7b9393a
14428a1265978
152178de109da
hex11a01be1646

1211210012230 has 8 divisors (see below), whose sum is σ = 2180178022032. Its totient is φ = 484484004888.

The previous prime is 1211210012219. The next prime is 1211210012261. The reversal of 1211210012230 is 322100121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 60560500602 + ... + 60560500621.

It is an arithmetic number, because the mean of its divisors is an integer number (272522252754).

Almost surely, 21211210012230 is an apocalyptic number.

1211210012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211210012230 is a deficient number, since it is larger than the sum of its proper divisors (968968009802).

1211210012230 is a wasteful number, since it uses less digits than its factorization.

1211210012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121121001230.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1211210012230 its reverse (322100121121), we get a palindrome (1533310133351).

The spelling of 1211210012230 in words is "one trillion, two hundred eleven billion, two hundred ten million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 121121001223 242242002446 605605006115 1211210012230