22142233201212 has 24 divisors (see below), whose sum is σ = 57405789781200. Its totient is φ = 7380744400368.

The previous prime is 22142233201183. The next prime is 22142233201241. The reversal of 22142233201212 is 21210233224122.

22142233201212 is a `hidden beast` number, since 2 + 2 + 1 + 422 + 3 + 3 + 20 + 1 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (22142233201183) and next prime (22142233201241).

It is a super-2 number, since 2×22142233201212² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 102510338787 + ... + 102510339002.

It is an arithmetic number, because the mean of its divisors is an integer number (2391907907550).

Almost surely, 2^{22142233201212} is an apocalyptic number.

It is an amenable number.

22142233201212 is an abundant number, since it is smaller than the sum of its proper divisors (35263556579988).

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

22142233201212 is a wasteful number, since it uses less digits than its factorization.

22142233201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205020677802 (or 205020677794 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22142233201212 its reverse (21210233224122), we get a palindrome (43352466425334).

The spelling of 22142233201212 in words is "twenty-two trillion, one hundred forty-two billion, two hundred thirty-three million, two hundred one thousand, two hundred twelve".