123310000321200 has 540 divisors, whose sum is σ = 543037575265848. Its totient is φ = 25622856806400.

The previous prime is 123310000321187. The next prime is 123310000321219. The reversal of 123310000321200 is 2123000013321.

123310000321200 is a `hidden beast` number, since 12 + 3 + 310 + 0 + 0 + 0 + 321 + 20 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 29833977 + ... + 33714776.

Almost surely, 2^{123310000321200} is an apocalyptic number.

123310000321200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123310000321200 is an abundant number, since it is smaller than the sum of its proper divisors (419727574944648).

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

123310000321200 is a wasteful number, since it uses less digits than its factorization.

123310000321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63548802 (or 63548781 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123310000321200 its reverse (2123000013321), we get a palindrome (125433000334521).

The spelling of 123310000321200 in words is "one hundred twenty-three trillion, three hundred ten billion, three hundred twenty-one thousand, two hundred".