1224977199957 has 192 divisors, whose sum is σ = 2260537344000. Its totient is φ = 636904477440.

The previous prime is 1224977199931. The next prime is 1224977199973. The reversal of 1224977199957 is 7599917794221.

1224977199957 is a `hidden beast` number, since 12 + 2 + 497 + 71 + 9 + 9 + 9 + 57 = 666.

It is not a de Polignac number, because 1224977199957 - 2⁷ = 1224977199829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224977199977) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 129856113 + ... + 129865545.

It is an arithmetic number, because the mean of its divisors is an integer number (11773632000).

Almost surely, 2^{1224977199957} is an apocalyptic number.

It is an amenable number.

1224977199957 is a deficient number, since it is larger than the sum of its proper divisors (1035560144043).

1224977199957 is a wasteful number, since it uses less digits than its factorization.

1224977199957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573 (or 9556 counting only the distinct ones).

The product of its digits is 180033840, while the sum is 72.

The spelling of 1224977199957 in words is "one trillion, two hundred twenty-four billion, nine hundred seventy-seven million, one hundred ninety-nine thousand, nine hundred fifty-seven".