3112222311012 has 24 divisors (see below), whose sum is σ = 7267451056096. Its totient is φ = 1036607580288.

The previous prime is 3112222311001. The next prime is 3112222311071. The reversal of 3112222311012 is 2101132222113.

It is a self number, because there is not a number n which added to its sum of digits gives 3112222311012.

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, 99965878 + ... + 99997005.

Almost surely, 2^{3112222311012} is an apocalyptic number.

It is an amenable number.

3112222311012 is an abundant number, since it is smaller than the sum of its proper divisors (4155228745084).

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

3112222311012 is a wasteful number, since it uses less digits than its factorization.

3112222311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199964187 (or 199964185 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3112222311012 its reverse (2101132222113), we get a palindrome (5213354533125).

The spelling of 3112222311012 in words is "three trillion, one hundred twelve billion, two hundred twenty-two million, three hundred eleven thousand, twelve".