13121132310004 has 24 divisors (see below), whose sum is σ = 23754104156160. Its totient is φ = 6334251696864.

The previous prime is 13121132309993. The next prime is 13121132310061. The reversal of 13121132310004 is 40001323112131.

It is a super-2 number, since 2×13121132310004² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 8019357 + ... + 9515899.

It is an arithmetic number, because the mean of its divisors is an integer number (989754339840).

Almost surely, 2^{13121132310004} is an apocalyptic number.

It is an amenable number.

13121132310004 is a deficient number, since it is larger than the sum of its proper divisors (10632971846156).

13121132310004 is a wasteful number, since it uses less digits than its factorization.

13121132310004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572159 (or 1572157 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13121132310004 its reverse (40001323112131), we get a palindrome (53122455422135).

The spelling of 13121132310004 in words is "thirteen trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred ten thousand, four".