13123102012 has 6 divisors (see below), whose sum is σ = 22965428528. Its totient is φ = 6561551004.

The previous prime is 13123101949. The next prime is 13123102037. The reversal of 13123102012 is 21020132131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640387748 + ... + 1640387755.

Almost surely, 2^13123102012 is an apocalyptic number.

It is an amenable number.

13123102012 is a deficient number, since it is larger than the sum of its proper divisors (9842326516).

13123102012 is a wasteful number, since it uses less digits than its factorization.

13123102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280775507 (or 3280775505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13123102012 its reverse (21020132131), we get a palindrome (34143234143).

The spelling of 13123102012 in words is "thirteen billion, one hundred twenty-three million, one hundred two thousand, twelve".