2012313343021 has 4 divisors (see below), whose sum is σ = 2040655784544. Its totient is φ = 1983970901500.

The previous prime is 2012313342997. The next prime is 2012313343043. The reversal of 2012313343021 is 1203433132102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012313343021 - 2⁹ = 2012313342509 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 (2012313343421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14171220655 + ... + 14171220796.

It is an arithmetic number, because the mean of its divisors is an integer number (510163946136).

Almost surely, 2^{2012313343021} is an apocalyptic number.

It is an amenable number.

2012313343021 is a deficient number, since it is larger than the sum of its proper divisors (28342441523).

2012313343021 is an equidigital number, since it uses as much as digits as its factorization.

2012313343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28342441522.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2012313343021 its reverse (1203433132102), we get a palindrome (3215746475123).

The spelling of 2012313343021 in words is "two trillion, twelve billion, three hundred thirteen million, three hundred forty-three thousand, twenty-one".