12297194730 has 24 divisors (see below), whose sum is σ = 31972706532. Its totient is φ = 3279251904.

The previous prime is 12297194729. The next prime is 12297194803. The reversal of 12297194730 is 3749179221.

It can be written as a sum of positive squares in 2 ways, for example, as 11710053369 + 587141361 = 108213^2 + 24231^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68317659 + ... + 68317838.

Almost surely, 2^12297194730 is an apocalyptic number.

12297194730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12297194730 is an abundant number, since it is smaller than the sum of its proper divisors (19675511802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12297194730 is a wasteful number, since it uses less digits than its factorization.

12297194730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136635510 (or 136635507 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 12297194730 in words is "twelve billion, two hundred ninety-seven million, one hundred ninety-four thousand, seven hundred thirty".