12762008690 has 32 divisors (see below), whose sum is σ = 23292949680. Its totient is φ = 5033857024.

The previous prime is 12762008659. The next prime is 12762008719. The reversal of 12762008690 is 9680026721.

It can be written as a sum of positive squares in 8 ways, for example, as 2071069081 + 10690939609 = 45509^2 + 103397^2 .

It is a super-2 number, since 2×12762008690² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 193946 + ... + 251274.

Almost surely, 2^12762008690 is an apocalyptic number.

12762008690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12762008690 is a deficient number, since it is larger than the sum of its proper divisors (10530940990).

12762008690 is a wasteful number, since it uses less digits than its factorization.

12762008690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57646.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 12762008690 in words is "twelve billion, seven hundred sixty-two million, eight thousand, six hundred ninety".