2212120001044 has 24 divisors (see below), whose sum is σ = 4215473690400. Its totient is φ = 1011713683680.

The previous prime is 2212120001033. The next prime is 2212120001053. The reversal of 2212120001044 is 4401000212122.

It is a super-2 number, since 2×2212120001044² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 501839902 + ... + 501844309.

It is an arithmetic number, because the mean of its divisors is an integer number (175644737100).

Almost surely, 2^{2212120001044} is an apocalyptic number.

It is an amenable number.

2212120001044 is a deficient number, since it is larger than the sum of its proper divisors (2003353689356).

2212120001044 is a wasteful number, since it uses less digits than its factorization.

2212120001044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003684263 (or 1003684261 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2212120001044 its reverse (4401000212122), we get a palindrome (6613120213166).

The spelling of 2212120001044 in words is "two trillion, two hundred twelve billion, one hundred twenty million, one thousand, forty-four".