15213032257512 has 32 divisors (see below), whose sum is σ = 38032717121280. Its totient is φ = 5070992555520.

The previous prime is 15213032257483. The next prime is 15213032257513. The reversal of 15213032257512 is 21575223031251.

It is not an unprimeable number, because it can be changed into a prime (15213032257513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6828937 + ... + 8778407.

It is an arithmetic number, because the mean of its divisors is an integer number (1188522410040).

Almost surely, 2^{15213032257512} is an apocalyptic number.

15213032257512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15213032257512 is an abundant number, since it is smaller than the sum of its proper divisors (22819684863768).

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

15213032257512 is a wasteful number, since it uses less digits than its factorization.

15213032257512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274633 (or 2274629 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

Adding to 15213032257512 its reverse (21575223031251), we get a palindrome (36788255288763).

The spelling of 15213032257512 in words is "fifteen trillion, two hundred thirteen billion, thirty-two million, two hundred fifty-seven thousand, five hundred twelve".