2012138962571 has 2 divisors, whose sum is σ = 2012138962572. Its totient is φ = 2012138962570.

The previous prime is 2012138962541. The next prime is 2012138962627. The reversal of 2012138962571 is 1752698312102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012138962571 - 2¹⁸ = 2012138700427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012138962541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006069481285 + 1006069481286.

It is an arithmetic number, because the mean of its divisors is an integer number (1006069481286).

Almost surely, 2^{2012138962571} is an apocalyptic number.

2012138962571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012138962571 is an equidigital number, since it uses as much as digits as its factorization.

2012138962571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 2012138962571 in words is "two trillion, twelve billion, one hundred thirty-eight million, nine hundred sixty-two thousand, five hundred seventy-one".