12445745930 has 8 divisors (see below), whose sum is σ = 22402342692. Its totient is φ = 4978298368.

The previous prime is 12445745929. The next prime is 12445746101. The reversal of 12445745930 is 3954754421.

It can be written as a sum of positive squares in 2 ways, for example, as 11858992201 + 586753729 = 108899^2 + 24223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12445745930² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622287287 + ... + 622287306.

Almost surely, 2^12445745930 is an apocalyptic number.

12445745930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12445745930 is a deficient number, since it is larger than the sum of its proper divisors (9956596762).

12445745930 is a wasteful number, since it uses less digits than its factorization.

12445745930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244574600.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 12445745930 in words is "twelve billion, four hundred forty-five million, seven hundred forty-five thousand, nine hundred thirty".