2012281996139 has 2 divisors, whose sum is σ = 2012281996140. Its totient is φ = 2012281996138.

The previous prime is 2012281996099. The next prime is 2012281996157. The reversal of 2012281996139 is 9316991822102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012281996139 - 2³² = 2007987028843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012281996939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006140998069 + 1006140998070.

It is an arithmetic number, because the mean of its divisors is an integer number (1006140998070).

Almost surely, 2^{2012281996139} is an apocalyptic number.

2012281996139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012281996139 is an equidigital number, since it uses as much as digits as its factorization.

2012281996139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 2012281996139 in words is "two trillion, twelve billion, two hundred eighty-one million, nine hundred ninety-six thousand, one hundred thirty-nine".