2012313021023 has 16 divisors (see below), whose sum is σ = 2030540494080. Its totient is φ = 1994163566976.

The previous prime is 2012313021013. The next prime is 2012313021071. The reversal of 2012313021023 is 3201203132102.

It is a cyclic number.

It is not a de Polignac number, because 2012313021023 - 2¹⁸ = 2012312758879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012313020986 and 2012313021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012313021013) 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, 203608640 + ... + 203618522.

It is an arithmetic number, because the mean of its divisors is an integer number (126908780880).

Almost surely, 2^{2012313021023} is an apocalyptic number.

2012313021023 is a deficient number, since it is larger than the sum of its proper divisors (18227473057).

2012313021023 is a wasteful number, since it uses less digits than its factorization.

2012313021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13646.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2012313021023 its reverse (3201203132102), we get a palindrome (5213516153125).

The spelling of 2012313021023 in words is "two trillion, twelve billion, three hundred thirteen million, twenty-one thousand, twenty-three".