22012006520652 has 24 divisors (see below), whose sum is σ = 52127935841856. Its totient is φ = 7227823036368.

The previous prime is 22012006520629. The next prime is 22012006520657. The reversal of 22012006520652 is 25602560021022.

It is not an unprimeable number, because it can be changed into a prime (22012006520657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13689057978 + ... + 13689059585.

It is an arithmetic number, because the mean of its divisors is an integer number (2171997326744).

Almost surely, 2^{22012006520652} is an apocalyptic number.

It is an amenable number.

22012006520652 is an abundant number, since it is smaller than the sum of its proper divisors (30115929321204).

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

22012006520652 is a wasteful number, since it uses less digits than its factorization.

22012006520652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27378117637 (or 27378117635 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 22012006520652 its reverse (25602560021022), we get a palindrome (47614566541674).

The spelling of 22012006520652 in words is "twenty-two trillion, twelve billion, six million, five hundred twenty thousand, six hundred fifty-two".