13102321012 has 24 divisors (see below), whose sum is σ = 25485479712. Its totient is φ = 5843229600.

The previous prime is 13102321009. The next prime is 13102321019. The reversal of 13102321012 is 21012320131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102321019) 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, 2806914 + ... + 2811577.

It is an arithmetic number, because the mean of its divisors is an integer number (1061894988).

Almost surely, 2^13102321012 is an apocalyptic number.

It is an amenable number.

13102321012 is a deficient number, since it is larger than the sum of its proper divisors (12383158700).

13102321012 is a wasteful number, since it uses less digits than its factorization.

13102321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618559 (or 5618557 counting only the distinct ones).

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

Adding to 13102321012 its reverse (21012320131), we get a palindrome (34114641143).

The spelling of 13102321012 in words is "thirteen billion, one hundred two million, three hundred twenty-one thousand, twelve".