13125115212 has 48 divisors (see below), whose sum is σ = 33450060672. Its totient is φ = 3972465280.

The previous prime is 13125115207. The next prime is 13125115261. The reversal of 13125115212 is 21251152131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49048 + ... + 169280.

It is an arithmetic number, because the mean of its divisors is an integer number (696876264).

Almost surely, 2^13125115212 is an apocalyptic number.

13125115212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125115212 is an abundant number, since it is smaller than the sum of its proper divisors (20324945460).

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

13125115212 is a wasteful number, since it uses less digits than its factorization.

13125115212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121078 (or 121076 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

Adding to 13125115212 its reverse (21251152131), we get a palindrome (34376267343).

It can be divided in two parts, 1 and 3125115212, that added together give a palindrome (3125115213).

The spelling of 13125115212 in words is "thirteen billion, one hundred twenty-five million, one hundred fifteen thousand, two hundred twelve".