121560622572 has 48 divisors (see below), whose sum is σ = 284174166752. Its totient is φ = 40444185600.

The previous prime is 121560622571. The next prime is 121560622583. The reversal of 121560622572 is 275226065121.

It is a self number, because there is not a number n which added to its sum of digits gives 121560622572.

It is not an unprimeable number, because it can be changed into a prime (121560622571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15748458 + ... + 15756174.

Almost surely, 2^121560622572 is an apocalyptic number.

121560622572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121560622572 is an abundant number, since it is smaller than the sum of its proper divisors (162613544180).

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

121560622572 is a wasteful number, since it uses less digits than its factorization.

121560622572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018 (or 10016 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 121560622572 its reverse (275226065121), we get a palindrome (396786687693).

The spelling of 121560622572 in words is "one hundred twenty-one billion, five hundred sixty million, six hundred twenty-two thousand, five hundred seventy-two".