1012502131258 has 8 divisors (see below), whose sum is σ = 1540144087200. Its totient is φ = 499120768860.

The previous prime is 1012502131243. The next prime is 1012502131259. The reversal of 1012502131258 is 8521312052101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1012502131259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565148208 + ... + 3565148491.

It is an arithmetic number, because the mean of its divisors is an integer number (192518010900).

Almost surely, 2^{1012502131258} is an apocalyptic number.

1012502131258 is a deficient number, since it is larger than the sum of its proper divisors (527641955942).

1012502131258 is an equidigital number, since it uses as much as digits as its factorization.

1012502131258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7130296772.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 1012502131258 its reverse (8521312052101), we get a palindrome (9533814183359).

The spelling of 1012502131258 in words is "one trillion, twelve billion, five hundred two million, one hundred thirty-one thousand, two hundred fifty-eight".