12866102590 has 32 divisors (see below), whose sum is σ = 26135537760. Its totient is φ = 4517251200.

The previous prime is 12866102581. The next prime is 12866102593. The reversal of 12866102590 is 9520166821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12866102593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013441 + ... + 2019820.

It is an arithmetic number, because the mean of its divisors is an integer number (816735555).

Almost surely, 2^12866102590 is an apocalyptic number.

12866102590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12866102590 is an abundant number, since it is smaller than the sum of its proper divisors (13269435170).

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

12866102590 is a wasteful number, since it uses less digits than its factorization.

12866102590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033308.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 12866102590 in words is "twelve billion, eight hundred sixty-six million, one hundred two thousand, five hundred ninety".