123200211231012 has 48 divisors (see below), whose sum is σ = 296782283492352. Its totient is φ = 39747627198720.

The previous prime is 123200211231007. The next prime is 123200211231091. The reversal of 123200211231012 is 210132112002321.

It is a self number, because there is not a number n which added to its sum of digits gives 123200211231012.

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, 726297273 + ... + 726466880.

It is an arithmetic number, because the mean of its divisors is an integer number (6182964239424).

Almost surely, 2^{123200211231012} is an apocalyptic number.

123200211231012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123200211231012 is an abundant number, since it is smaller than the sum of its proper divisors (173582072261340).

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

123200211231012 is a wasteful number, since it uses less digits than its factorization.

123200211231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452764388 (or 1452764386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 123200211231012 its reverse (210132112002321), we get a palindrome (333332323233333).

The spelling of 123200211231012 in words is "one hundred twenty-three trillion, two hundred billion, two hundred eleven million, two hundred thirty-one thousand, twelve".