3102220201212 has 72 divisors (see below), whose sum is σ = 8556756127920. Its totient is φ = 939830584320.

The previous prime is 3102220201133. The next prime is 3102220201247. The reversal of 3102220201212 is 2121020222013.

3102220201212 is a `hidden beast` number, since 31 + 0 + 2 + 220 + 201 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 597708 + ... + 2561580.

It is an arithmetic number, because the mean of its divisors is an integer number (118843835110).

Almost surely, 2^{3102220201212} is an apocalyptic number.

It is an amenable number.

3102220201212 is an abundant number, since it is smaller than the sum of its proper divisors (5454535926708).

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

3102220201212 is a wasteful number, since it uses less digits than its factorization.

3102220201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967883 (or 1967878 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 3102220201212 its reverse (2121020222013), we get a palindrome (5223240423225).

The spelling of 3102220201212 in words is "three trillion, one hundred two billion, two hundred twenty million, two hundred one thousand, two hundred twelve".