123220303211312 has 20 divisors (see below), whose sum is σ = 238812324224976. Its totient is φ = 61591316314560.

The previous prime is 123220303211293. The next prime is 123220303211363. The reversal of 123220303211312 is 213112303022321.

It is a super-2 number, since 2×123220303211312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177151723 + ... + 1177256394.

Almost surely, 2^{123220303211312} is an apocalyptic number.

It is an amenable number.

123220303211312 is a deficient number, since it is larger than the sum of its proper divisors (115592021013664).

123220303211312 is a wasteful number, since it uses less digits than its factorization.

123220303211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354411396 (or 2354411390 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123220303211312 its reverse (213112303022321), we get a palindrome (336332606233633).

The spelling of 123220303211312 in words is "one hundred twenty-three trillion, two hundred twenty billion, three hundred three million, two hundred eleven thousand, three hundred twelve".