10309695012 has 48 divisors (see below), whose sum is σ = 27105321600. Its totient is φ = 3388160160.

The previous prime is 10309695001. The next prime is 10309695029. The reversal of 10309695012 is 21059690301.

It is a super-2 number, since 2×10309695012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664587 + ... + 679922.

It is an arithmetic number, because the mean of its divisors is an integer number (564694200).

Almost surely, 2^10309695012 is an apocalyptic number.

10309695012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10309695012 is an abundant number, since it is smaller than the sum of its proper divisors (16795626588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10309695012 is a wasteful number, since it uses less digits than its factorization.

10309695012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344593 (or 1344585 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The spelling of 10309695012 in words is "ten billion, three hundred nine million, six hundred ninety-five thousand, twelve".