3212120222112 has 96 divisors (see below), whose sum is σ = 8455105451520. Its totient is φ = 1067751238400.

The previous prime is 3212120222093. The next prime is 3212120222123. The reversal of 3212120222112 is 2112220212123.

It is a tau number, because it is divible by the number of its divisors (96).

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, 119170237 + ... + 119197187.

It is an arithmetic number, because the mean of its divisors is an integer number (88074015120).

Almost surely, 2^{3212120222112} is an apocalyptic number.

3212120222112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3212120222112 is an abundant number, since it is smaller than the sum of its proper divisors (5242985229408).

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

3212120222112 is a wasteful number, since it uses less digits than its factorization.

3212120222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30346 (or 30338 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 3212120222112 its reverse (2112220212123), we get a palindrome (5324340434235).

The spelling of 3212120222112 in words is "three trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred twelve".