102012111131239 has 2 divisors, whose sum is σ = 102012111131240. Its totient is φ = 102012111131238.

The previous prime is 102012111131159. The next prime is 102012111131291. The reversal of 102012111131239 is 932131111210201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102012111131239 - 2³¹ = 102009963647591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012111171239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006055565619 + 51006055565620.

It is an arithmetic number, because the mean of its divisors is an integer number (51006055565620).

Almost surely, 2^{102012111131239} is an apocalyptic number.

102012111131239 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012111131239 is an equidigital number, since it uses as much as digits as its factorization.

102012111131239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 102012111131239 in words is "one hundred two trillion, twelve billion, one hundred eleven million, one hundred thirty-one thousand, two hundred thirty-nine".