12353005021 has 16 divisors (see below), whose sum is σ = 14880985600. Its totient is φ = 10017358128.

The previous prime is 12353005013. The next prime is 12353005073. The reversal of 12353005021 is 12050035321.

It is a cyclic number.

It is not a de Polignac number, because 12353005021 - 2³ = 12353005013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12353004983 and 12353005001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12353005921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35446 + ... + 161128.

It is an arithmetic number, because the mean of its divisors is an integer number (930061600).

Almost surely, 2^12353005021 is an apocalyptic number.

It is an amenable number.

12353005021 is a deficient number, since it is larger than the sum of its proper divisors (2527980579).

12353005021 is a wasteful number, since it uses less digits than its factorization.

12353005021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126448.

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 12353005021 in words is "twelve billion, three hundred fifty-three million, five thousand, twenty-one".