10121012375663 has 16 divisors (see below), whose sum is σ = 12595504128000. Its totient is φ = 7935167594592.

The previous prime is 10121012375653. The next prime is 10121012375689. The reversal of 10121012375663 is 36657321012101.

It is a happy number.

It is not a de Polignac number, because 10121012375663 - 2²⁶ = 10120945266799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121012375633) 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, 1312027823 + ... + 1312035536.

It is an arithmetic number, because the mean of its divisors is an integer number (787219008000).

Almost surely, 2^{10121012375663} is an apocalyptic number.

10121012375663 is a deficient number, since it is larger than the sum of its proper divisors (2474491752337).

10121012375663 is a wasteful number, since it uses less digits than its factorization.

10121012375663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624063414.

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 10121012375663 its reverse (36657321012101), we get a palindrome (46778333387764).

The spelling of 10121012375663 in words is "ten trillion, one hundred twenty-one billion, twelve million, three hundred seventy-five thousand, six hundred sixty-three".