22202012121112 has 64 divisors (see below), whose sum is σ = 42887058811200. Its totient is φ = 10771097057280.

The previous prime is 22202012121101. The next prime is 22202012121127. The reversal of 22202012121112 is 21112121020222.

It is a super-2 number, since 2×22202012121112² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22202012121112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18363214 + ... + 19534882.

It is an arithmetic number, because the mean of its divisors is an integer number (670110293925).

Almost surely, 2^{22202012121112} is an apocalyptic number.

It is an amenable number.

22202012121112 is a deficient number, since it is larger than the sum of its proper divisors (20685046690088).

22202012121112 is a wasteful number, since it uses less digits than its factorization.

22202012121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172276 (or 1172272 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22202012121112 its reverse (21112121020222), we get a palindrome (43314133141334).

The spelling of 22202012121112 in words is "twenty-two trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, one hundred twelve".