3123313222212 has 36 divisors (see below), whose sum is σ = 7895173762476. Its totient is φ = 1041087000000.

The previous prime is 3123313222171. The next prime is 3123313222229. The reversal of 3123313222212 is 2122223133213.

3123313222212 is a `hidden beast` number, since 3 + 1 + 2 + 331 + 322 + 2 + 2 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3055455056196 + 67858166016 = 1747986^2 + 260496^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1555978 + ... + 2944094.

It is an arithmetic number, because the mean of its divisors is an integer number (219310382291).

Almost surely, 2^{3123313222212} is an apocalyptic number.

It is an amenable number.

3123313222212 is an abundant number, since it is smaller than the sum of its proper divisors (4771860540264).

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

3123313222212 is a wasteful number, since it uses less digits than its factorization.

3123313222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450628 (or 1450623 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 3123313222212 its reverse (2122223133213), we get a palindrome (5245536355425).

The spelling of 3123313222212 in words is "three trillion, one hundred twenty-three billion, three hundred thirteen million, two hundred twenty-two thousand, two hundred twelve".