3123203223312 has 80 divisors (see below), whose sum is σ = 9133896286080. Its totient is φ = 1021424946048.

The previous prime is 3123203223307. The next prime is 3123203223337. The reversal of 3123203223312 is 2133223023213.

3123203223312 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 2 + 0 + 322 + 331 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 68181228 + ... + 68227019.

It is an arithmetic number, because the mean of its divisors is an integer number (114173703576).

Almost surely, 2^{3123203223312} is an apocalyptic number.

It is an amenable number.

3123203223312 is an abundant number, since it is smaller than the sum of its proper divisors (6010693062768).

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

3123203223312 is a wasteful number, since it uses less digits than its factorization.

3123203223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136408317 (or 136408305 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 3123203223312 its reverse (2133223023213), we get a palindrome (5256426246525).

The spelling of 3123203223312 in words is "three trillion, one hundred twenty-three billion, two hundred three million, two hundred twenty-three thousand, three hundred twelve".