123210230000012 has 12 divisors (see below), whose sum is σ = 228301308529560. Its totient is φ = 57981284705856.

The previous prime is 123210229999933. The next prime is 123210230000017. The reversal of 123210230000012 is 210000032012321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (123210230000017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905957573462 + ... + 905957573597.

It is an arithmetic number, because the mean of its divisors is an integer number (19025109044130).

Almost surely, 2^{123210230000012} is an apocalyptic number.

It is an amenable number.

123210230000012 is a deficient number, since it is larger than the sum of its proper divisors (105091078529548).

123210230000012 is a wasteful number, since it uses less digits than its factorization.

123210230000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811915147080 (or 1811915147078 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123210230000012 its reverse (210000032012321), we get a palindrome (333210262012333).

The spelling of 123210230000012 in words is "one hundred twenty-three trillion, two hundred ten billion, two hundred thirty million, twelve", and thus it is an aban number.