123313333021210 has 32 divisors (see below), whose sum is σ = 227426794558992. Its totient is φ = 48111897669120.

The previous prime is 123313333021199. The next prime is 123313333021217. The reversal of 123313333021210 is 12120333313321.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 26879734977489 + 96433598043721 = 5184567^2 + 9820061^2 .

It is not an unprimeable number, because it can be changed into a prime (123313333021217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30529737 + ... + 34332076.

Almost surely, 2^{123313333021210} is an apocalyptic number.

123313333021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123313333021210 is a deficient number, since it is larger than the sum of its proper divisors (104113461537782).

123313333021210 is a wasteful number, since it uses less digits than its factorization.

123313333021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64866498.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 123313333021210 its reverse (12120333313321), we get a palindrome (135433666334531).

The spelling of 123313333021210 in words is "one hundred twenty-three trillion, three hundred thirteen billion, three hundred thirty-three million, twenty-one thousand, two hundred ten".