2122220202012 has 36 divisors (see below), whose sum is σ = 5465718072360. Its totient is φ = 694059436512.

The previous prime is 2122220201987. The next prime is 2122220202013. The reversal of 2122220202012 is 2102020222212.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122220202013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556135462 + ... + 556139277.

It is an arithmetic number, because the mean of its divisors is an integer number (151825502010).

Almost surely, 2^{2122220202012} is an apocalyptic number.

It is an amenable number.

2122220202012 is an abundant number, since it is smaller than the sum of its proper divisors (3343497870348).

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

2122220202012 is a wasteful number, since it uses less digits than its factorization.

2122220202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112274802 (or 1112274797 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2122220202012 its reverse (2102020222212), we get a palindrome (4224240424224).

It can be divided in two parts, 2122220 and 202012, that added together give a palindrome (2324232).

The spelling of 2122220202012 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, two hundred two thousand, twelve".