12402938930 has 16 divisors (see below), whose sum is σ = 22326612120. Its totient is φ = 4960881792.

The previous prime is 12402938909. The next prime is 12402938953. The reversal of 12402938930 is 3983920421.

It can be written as a sum of positive squares in 4 ways, for example, as 6346830889 + 6056108041 = 79667^2 + 77821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239606 + ... + 286734.

Almost surely, 2^12402938930 is an apocalyptic number.

12402938930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12402938930 is a deficient number, since it is larger than the sum of its proper divisors (9923673190).

12402938930 is a wasteful number, since it uses less digits than its factorization.

12402938930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73453.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 12402938930 in words is "twelve billion, four hundred two million, nine hundred thirty-eight thousand, nine hundred thirty".