12310132021 has 16 divisors (see below), whose sum is σ = 14241106368. Its totient is φ = 10516499200.

The previous prime is 12310132001. The next prime is 12310132033. The reversal of 12310132021 is 12023101321.

It is not a de Polignac number, because 12310132021 - 2⁵ = 12310131989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310131986 and 12310132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310132001) 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, 71706 + ... + 172516.

It is an arithmetic number, because the mean of its divisors is an integer number (890069148).

Almost surely, 2^12310132021 is an apocalyptic number.

12310132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12310132021 is a deficient number, since it is larger than the sum of its proper divisors (1930974347).

12310132021 is a wasteful number, since it uses less digits than its factorization.

12310132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101492.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12310132021 its reverse (12023101321), we get a palindrome (24333233342).

The spelling of 12310132021 in words is "twelve billion, three hundred ten million, one hundred thirty-two thousand, twenty-one".