12310202021021 has 16 divisors (see below), whose sum is σ = 13200772314240. Its totient is φ = 11451078862080.

The previous prime is 12310202021017. The next prime is 12310202021023. The reversal of 12310202021021 is 12012020201321.

It is a cyclic number.

It is not a de Polignac number, because 12310202021021 - 2² = 12310202021017 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 (12310202021023) 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, 20558351 + ... + 21148668.

It is an arithmetic number, because the mean of its divisors is an integer number (825048269640).

Almost surely, 2^{12310202021021} is an apocalyptic number.

It is an amenable number.

12310202021021 is a deficient number, since it is larger than the sum of its proper divisors (890570293219).

12310202021021 is a wasteful number, since it uses less digits than its factorization.

12310202021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41707396.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12310202021021 its reverse (12012020201321), we get a palindrome (24322222222342).

The spelling of 12310202021021 in words is "twelve trillion, three hundred ten billion, two hundred two million, twenty-one thousand, twenty-one".