22660152012 has 72 divisors (see below), whose sum is σ = 57722595840. Its totient is φ = 7495181280.

The previous prime is 22660151999. The next prime is 22660152013. The reversal of 22660152012 is 21025106622.

22660152012 is a `hidden beast` number, since 2 + 2 + 6 + 601 + 52 + 0 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22660152013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3237837 + ... + 3244827.

It is an arithmetic number, because the mean of its divisors is an integer number (801702720).

Almost surely, 2^22660152012 is an apocalyptic number.

It is an amenable number.

22660152012 is an abundant number, since it is smaller than the sum of its proper divisors (35062443828).

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

22660152012 is a wasteful number, since it uses less digits than its factorization.

22660152012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683 (or 7678 counting only the distinct ones).

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

Adding to 22660152012 its reverse (21025106622), we get a palindrome (43685258634).

The spelling of 22660152012 in words is "twenty-two billion, six hundred sixty million, one hundred fifty-two thousand, twelve".