13012131012 has 24 divisors (see below), whose sum is σ = 30369687936. Its totient is φ = 4336227168.

The previous prime is 13012130993. The next prime is 13012131043. The reversal of 13012131012 is 21013121031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13012130982 and 13012131000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95943 + ... + 187694.

It is an arithmetic number, because the mean of its divisors is an integer number (1265403664).

Almost surely, 2^13012131012 is an apocalyptic number.

13012131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13012131012 is an abundant number, since it is smaller than the sum of its proper divisors (17357556924).

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

13012131012 is a wasteful number, since it uses less digits than its factorization.

13012131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287467 (or 287465 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13012131012 its reverse (21013121031), we get a palindrome (34025252043).

The spelling of 13012131012 in words is "thirteen billion, twelve million, one hundred thirty-one thousand, twelve".