13123101012 has 36 divisors (see below), whose sum is σ = 35619847200. Its totient is φ = 3749457264.

The previous prime is 13123100999. The next prime is 13123101029. The reversal of 13123101012 is 21010132131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13123100982 and 13123101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11158512 + ... + 11159687.

It is an arithmetic number, because the mean of its divisors is an integer number (989440200).

Almost surely, 2^13123101012 is an apocalyptic number.

13123101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123101012 is an abundant number, since it is smaller than the sum of its proper divisors (22496746188).

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

13123101012 is a wasteful number, since it uses less digits than its factorization.

13123101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22318220 (or 22318211 counting only the distinct ones).

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

Adding to 13123101012 its reverse (21010132131), we get a palindrome (34133233143).

The spelling of 13123101012 in words is "thirteen billion, one hundred twenty-three million, one hundred one thousand, twelve".