123131103010010 has 32 divisors (see below), whose sum is σ = 221711079467520. Its totient is φ = 49235754763008.

The previous prime is 123131103009991. The next prime is 123131103010049. The reversal of 123131103010010 is 10010301131321.

It is a super-2 number, since 2×123131103010010² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1227051899 + ... + 1227152241.

It is an arithmetic number, because the mean of its divisors is an integer number (6928471233360).

Almost surely, 2^{123131103010010} is an apocalyptic number.

123131103010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123131103010010 is a deficient number, since it is larger than the sum of its proper divisors (98579976457510).

123131103010010 is a wasteful number, since it uses less digits than its factorization.

123131103010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140702.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 123131103010010 its reverse (10010301131321), we get a palindrome (133141404141331).

The spelling of 123131103010010 in words is "one hundred twenty-three trillion, one hundred thirty-one billion, one hundred three million, ten thousand, ten".