123012133123310 has 32 divisors (see below), whose sum is σ = 221468412902400. Its totient is φ = 49194504715680.

The previous prime is 123012133123289. The next prime is 123012133123421. The reversal of 123012133123310 is 13321331210321.

It is a super-2 number, since 2×123012133123310² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123012133123310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081549145 + ... + 1081662875.

It is an arithmetic number, because the mean of its divisors is an integer number (6920887903200).

Almost surely, 2^{123012133123310} is an apocalyptic number.

123012133123310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012133123310 is a deficient number, since it is larger than the sum of its proper divisors (98456279779090).

123012133123310 is a wasteful number, since it uses less digits than its factorization.

123012133123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135536.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 123012133123310 its reverse (13321331210321), we get a palindrome (136333464333631).

The spelling of 123012133123310 in words is "one hundred twenty-three trillion, twelve billion, one hundred thirty-three million, one hundred twenty-three thousand, three hundred ten".