12690266910 has 32 divisors (see below), whose sum is σ = 30842173440. Its totient is φ = 3341234208.

The previous prime is 12690266909. The next prime is 12690266921. The reversal of 12690266910 is 1966209621.

It is a happy number.

It is a super-2 number, since 2×12690266910² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2674902 + ... + 2679641.

It is an arithmetic number, because the mean of its divisors is an integer number (963817920).

Almost surely, 2^12690266910 is an apocalyptic number.

12690266910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12690266910 is an abundant number, since it is smaller than the sum of its proper divisors (18151906530).

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

12690266910 is a wasteful number, since it uses less digits than its factorization.

12690266910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354632.

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 12690266910 in words is "twelve billion, six hundred ninety million, two hundred sixty-six thousand, nine hundred ten".