123000202013212 has 24 divisors (see below), whose sum is σ = 216162099478080. Its totient is φ = 61239628632000.

The previous prime is 123000202013179. The next prime is 123000202013239. The reversal of 123000202013212 is 212310202000321.

It is a super-2 number, since 2×123000202013212² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123000202013212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15344118 + ... + 21941794.

It is an arithmetic number, because the mean of its divisors is an integer number (9006754144920).

Almost surely, 2^{123000202013212} is an apocalyptic number.

It is an amenable number.

123000202013212 is a deficient number, since it is larger than the sum of its proper divisors (93161897464868).

123000202013212 is a wasteful number, since it uses less digits than its factorization.

123000202013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617421 (or 6617419 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123000202013212 its reverse (212310202000321), we get a palindrome (335310404013533).

The spelling of 123000202013212 in words is "one hundred twenty-three trillion, two hundred two million, thirteen thousand, two hundred twelve".