2012122213122 has 16 divisors (see below), whose sum is σ = 4599136487232. Its totient is φ = 574892060880.

The previous prime is 2012122213097. The next prime is 2012122213183. The reversal of 2012122213122 is 2213122212102.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 23953835829 + ... + 23953835912.

It is an arithmetic number, because the mean of its divisors is an integer number (287446030452).

Almost surely, 2^{2012122213122} is an apocalyptic number.

2012122213122 is an abundant number, since it is smaller than the sum of its proper divisors (2587014274110).

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

2012122213122 is a wasteful number, since it uses less digits than its factorization.

2012122213122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47907671753.

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

Adding to 2012122213122 its reverse (2213122212102), we get a palindrome (4225244425224).

The spelling of 2012122213122 in words is "two trillion, twelve billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-two".