13120233212 has 24 divisors (see below), whose sum is σ = 23211323520. Its totient is φ = 6488754480.

The previous prime is 13120233211. The next prime is 13120233233. The reversal of 13120233212 is 21233202131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120233211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120089 + ... + 201647.

It is an arithmetic number, because the mean of its divisors is an integer number (967138480).

Almost surely, 2^13120233212 is an apocalyptic number.

It is an amenable number.

13120233212 is a deficient number, since it is larger than the sum of its proper divisors (10091090308).

13120233212 is a wasteful number, since it uses less digits than its factorization.

13120233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82001 (or 81999 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13120233212 its reverse (21233202131), we get a palindrome (34353435343).

The spelling of 13120233212 in words is "thirteen billion, one hundred twenty million, two hundred thirty-three thousand, two hundred twelve".