22012120212002 has 32 divisors (see below), whose sum is σ = 35075575566720. Its totient is φ = 10324531687680.

The previous prime is 22012120211999. The next prime is 22012120212037. The reversal of 22012120212002 is 20021202121022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 148268453 + ... + 148416839.

It is an arithmetic number, because the mean of its divisors is an integer number (1096111736460).

Almost surely, 2^{22012120212002} is an apocalyptic number.

22012120212002 is a deficient number, since it is larger than the sum of its proper divisors (13063455354718).

22012120212002 is a wasteful number, since it uses less digits than its factorization.

22012120212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162746.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22012120212002 its reverse (20021202121022), we get a palindrome (42033322333024).

The spelling of 22012120212002 in words is "twenty-two trillion, twelve billion, one hundred twenty million, two hundred twelve thousand, two".