1012100423553 has 24 divisors (see below), whose sum is σ = 1507640696640. Its totient is φ = 653955210720.

The previous prime is 1012100423549. The next prime is 1012100423641. The reversal of 1012100423553 is 3553240012101.

1012100423553 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 100 + 4 + 2 + 3 + 553 = 666.

It is not a de Polignac number, because 1012100423553 - 2² = 1012100423549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012100423533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13385026 + ... + 13460427.

It is an arithmetic number, because the mean of its divisors is an integer number (62818362360).

Almost surely, 2^{1012100423553} is an apocalyptic number.

It is an amenable number.

1012100423553 is a deficient number, since it is larger than the sum of its proper divisors (495540273087).

1012100423553 is a wasteful number, since it uses less digits than its factorization.

1012100423553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845589 (or 26845586 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 1012100423553 its reverse (3553240012101), we get a palindrome (4565340435654).

The spelling of 1012100423553 in words is "one trillion, twelve billion, one hundred million, four hundred twenty-three thousand, five hundred fifty-three".