10212807729 has 8 divisors (see below), whose sum is σ = 13621144320. Its totient is φ = 6806504816.

The previous prime is 10212807653. The next prime is 10212807733. The reversal of 10212807729 is 92770821201.

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

It is a cyclic number.

It is not a de Polignac number, because 10212807729 - 2²⁷ = 10078590001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10212807739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496662 + ... + 516815.

It is an arithmetic number, because the mean of its divisors is an integer number (1702643040).

Almost surely, 2^10212807729 is an apocalyptic number.

It is an amenable number.

10212807729 is a deficient number, since it is larger than the sum of its proper divisors (3408336591).

10212807729 is a wasteful number, since it uses less digits than its factorization.

10212807729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016839.

The product of its (nonzero) digits is 28224, while the sum is 39.

The spelling of 10212807729 in words is "ten billion, two hundred twelve million, eight hundred seven thousand, seven hundred twenty-nine".