1012252636065 has 48 divisors (see below), whose sum is σ = 1780433734464. Its totient is φ = 490731922560.

The previous prime is 1012252636039. The next prime is 1012252636067. The reversal of 1012252636065 is 5606362522101.

It is not a de Polignac number, because 1012252636065 - 2⁸ = 1012252635809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012252636067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18418407 + ... + 18473283.

It is an arithmetic number, because the mean of its divisors is an integer number (37092369468).

Almost surely, 2^{1012252636065} is an apocalyptic number.

1012252636065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012252636065 is a deficient number, since it is larger than the sum of its proper divisors (768181098399).

1012252636065 is a wasteful number, since it uses less digits than its factorization.

1012252636065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65070 (or 65059 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 1012252636065 in words is "one trillion, twelve billion, two hundred fifty-two million, six hundred thirty-six thousand, sixty-five".