123202123002312 has 128 divisors (see below), whose sum is σ = 311262985440000. Its totient is φ = 40635962228736.

The previous prime is 123202123002293. The next prime is 123202123002397. The reversal of 123202123002312 is 213200321202321.

It is a super-2 number, since 2×123202123002312² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 619975864 + ... + 620174552.

It is an arithmetic number, because the mean of its divisors is an integer number (2431742073750).

Almost surely, 2^{123202123002312} is an apocalyptic number.

123202123002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123202123002312 is an abundant number, since it is smaller than the sum of its proper divisors (188060862437688).

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

123202123002312 is a wasteful number, since it uses less digits than its factorization.

123202123002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199623 (or 199619 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 123202123002312 its reverse (213200321202321), we get a palindrome (336402444204633).

The spelling of 123202123002312 in words is "one hundred twenty-three trillion, two hundred two billion, one hundred twenty-three million, two thousand, three hundred twelve".