12940659530 has 32 divisors (see below), whose sum is σ = 24217643520. Its totient is φ = 4973232960.

The previous prime is 12940659527. The next prime is 12940659547. The reversal of 12940659530 is 3595604921.

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, 107069 + ... + 193248.

It is an arithmetic number, because the mean of its divisors is an integer number (756801360).

Almost surely, 2^12940659530 is an apocalyptic number.

12940659530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12940659530 is a deficient number, since it is larger than the sum of its proper divisors (11276983990).

12940659530 is a wasteful number, since it uses less digits than its factorization.

12940659530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300494.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 12940659530 in words is "twelve billion, nine hundred forty million, six hundred fifty-nine thousand, five hundred thirty".