2122112042012 has 48 divisors (see below), whose sum is σ = 3787538590080. Its totient is φ = 1040164366272.

The previous prime is 2122112042009. The next prime is 2122112042059. The reversal of 2122112042012 is 2102402112212.

It is a happy number.

It is a congruent number.

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, 92146043 + ... + 92169069.

It is an arithmetic number, because the mean of its divisors is an integer number (78907053960).

Almost surely, 2^{2122112042012} is an apocalyptic number.

It is an amenable number.

2122112042012 is a deficient number, since it is larger than the sum of its proper divisors (1665426548068).

2122112042012 is a wasteful number, since it uses less digits than its factorization.

2122112042012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25250 (or 25248 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122112042012 its reverse (2102402112212), we get a palindrome (4224514154224).

The spelling of 2122112042012 in words is "two trillion, one hundred twenty-two billion, one hundred twelve million, forty-two thousand, twelve".