10202988478692 has 12 divisors (see below), whose sum is σ = 23806973116976. Its totient is φ = 3400996159560.

The previous prime is 10202988478691. The next prime is 10202988478741. The reversal of 10202988478692 is 29687488920201.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (10202988478691) 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, 425124519934 + ... + 425124519957.

Almost surely, 2^{10202988478692} is an apocalyptic number.

10202988478692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10202988478692 is an abundant number, since it is smaller than the sum of its proper divisors (13603984638284).

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

10202988478692 is a wasteful number, since it uses less digits than its factorization.

10202988478692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850249039898 (or 850249039896 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 10202988478692 in words is "ten trillion, two hundred two billion, nine hundred eighty-eight million, four hundred seventy-eight thousand, six hundred ninety-two".