12196432394 has 8 divisors (see below), whose sum is σ = 18359754948. Its totient is φ = 6076514080.

The previous prime is 12196432373. The next prime is 12196432421. The reversal of 12196432394 is 49323469121.

It can be written as a sum of positive squares in 2 ways, for example, as 12195889225 + 543169 = 110435^2 + 737^2 .

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

It is a Curzon number.

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, 10850357 + ... + 10851480.

Almost surely, 2^12196432394 is an apocalyptic number.

12196432394 is a deficient number, since it is larger than the sum of its proper divisors (6163322554).

12196432394 is a wasteful number, since it uses less digits than its factorization.

12196432394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21702120.

The product of its digits is 279936, while the sum is 44.

The spelling of 12196432394 in words is "twelve billion, one hundred ninety-six million, four hundred thirty-two thousand, three hundred ninety-four".