13121123031006 has 64 divisors (see below), whose sum is σ = 26767157501952. Its totient is φ = 4287204052992.

The previous prime is 13121123030969. The next prime is 13121123031011. The reversal of 13121123031006 is 60013032112131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43236310 + ... + 43538726.

It is an arithmetic number, because the mean of its divisors is an integer number (418236835968).

Almost surely, 2^{13121123031006} is an apocalyptic number.

13121123031006 is an abundant number, since it is smaller than the sum of its proper divisors (13646034470946).

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

13121123031006 is a wasteful number, since it uses less digits than its factorization.

13121123031006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303233.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 13121123031006 its reverse (60013032112131), we get a palindrome (73134155143137).

The spelling of 13121123031006 in words is "thirteen trillion, one hundred twenty-one billion, one hundred twenty-three million, thirty-one thousand, six".