1012235251013 has 32 divisors (see below), whose sum is σ = 1241396029440. Its totient is φ = 806005961280.

The previous prime is 1012235250953. The next prime is 1012235251057. The reversal of 1012235251013 is 3101525322101.

It is a cyclic number.

It is not a de Polignac number, because 1012235251013 - 2¹² = 1012235246917 is a prime.

It is a super-2 number, since 2×1012235251013² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012235251813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12867506 + ... + 12945932.

It is an arithmetic number, because the mean of its divisors is an integer number (38793625920).

Almost surely, 2^{1012235251013} is an apocalyptic number.

It is an amenable number.

1012235251013 is a deficient number, since it is larger than the sum of its proper divisors (229160778427).

1012235251013 is a wasteful number, since it uses less digits than its factorization.

1012235251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80337.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 1012235251013 in words is "one trillion, twelve billion, two hundred thirty-five million, two hundred fifty-one thousand, thirteen".