2012021102057 has 2 divisors, whose sum is σ = 2012021102058. Its totient is φ = 2012021102056.

The previous prime is 2012021101997. The next prime is 2012021102123. The reversal of 2012021102057 is 7502011202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993224417856 + 18796684201 = 1411816^2 + 137101^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012021102057 - 2³² = 2007726134761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012021182057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006010551028 + 1006010551029.

It is an arithmetic number, because the mean of its divisors is an integer number (1006010551029).

Almost surely, 2^{2012021102057} is an apocalyptic number.

It is an amenable number.

2012021102057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012021102057 is an equidigital number, since it uses as much as digits as its factorization.

2012021102057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 2012021102057 its reverse (7502011202102), we get a palindrome (9514032304159).

The spelling of 2012021102057 in words is "two trillion, twelve billion, twenty-one million, one hundred two thousand, fifty-seven".