12282640492 has 6 divisors (see below), whose sum is σ = 21494620868. Its totient is φ = 6141320244.

The previous prime is 12282640457. The next prime is 12282640493. The reversal of 12282640492 is 29404628221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12282640493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1535330058 + ... + 1535330065.

Almost surely, 2^12282640492 is an apocalyptic number.

It is an amenable number.

12282640492 is a deficient number, since it is larger than the sum of its proper divisors (9211980376).

12282640492 is a wasteful number, since it uses less digits than its factorization.

12282640492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070660127 (or 3070660125 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 12282640492 in words is "twelve billion, two hundred eighty-two million, six hundred forty thousand, four hundred ninety-two".