22012131043215 has 24 divisors (see below), whose sum is σ = 38154494411280. Its totient is φ = 11739762011904.

The previous prime is 22012131043183. The next prime is 22012131043247. The reversal of 22012131043215 is 51234013121022.

It is a happy number.

22012131043215 is a `hidden beast` number, since 2 + 2 + 0 + 1 + 21 + 310 + 4 + 321 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22012131043183) and next prime (22012131043247).

It is not a de Polignac number, because 22012131043215 - 2⁵ = 22012131043183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15548416 + ... + 16904954.

It is an arithmetic number, because the mean of its divisors is an integer number (1589770600470).

Almost surely, 2^{22012131043215} is an apocalyptic number.

22012131043215 is a deficient number, since it is larger than the sum of its proper divisors (16142363368065).

22012131043215 is a wasteful number, since it uses less digits than its factorization.

22012131043215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717143 (or 1717140 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 22012131043215 its reverse (51234013121022), we get a palindrome (73246144164237).

The spelling of 22012131043215 in words is "twenty-two trillion, twelve billion, one hundred thirty-one million, forty-three thousand, two hundred fifteen".