1012502131259 has 2 divisors, whose sum is σ = 1012502131260. Its totient is φ = 1012502131258.

The previous prime is 1012502131243. The next prime is 1012502131261. The reversal of 1012502131259 is 9521312052101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012502131259 - 2⁴ = 1012502131243 is a prime.

Together with 1012502131261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1012502131229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506251065629 + 506251065630.

It is an arithmetic number, because the mean of its divisors is an integer number (506251065630).

Almost surely, 2^{1012502131259} is an apocalyptic number.

1012502131259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012502131259 is an equidigital number, since it uses as much as digits as its factorization.

1012502131259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1012502131259 in words is "one trillion, twelve billion, five hundred two million, one hundred thirty-one thousand, two hundred fifty-nine".