12402973197 has 24 divisors (see below), whose sum is σ = 18994029600. Its totient is φ = 7777086048.

The previous prime is 12402973189. The next prime is 12402973213. The reversal of 12402973197 is 79137920421.

12402973197 is a `hidden beast` number, since 1 + 2 + 40 + 297 + 319 + 7 = 666.

It is not a de Polignac number, because 12402973197 - 2³ = 12402973189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402973127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237138 + ... + 284675.

It is an arithmetic number, because the mean of its divisors is an integer number (791417900).

Almost surely, 2^12402973197 is an apocalyptic number.

It is an amenable number.

12402973197 is a deficient number, since it is larger than the sum of its proper divisors (6591056403).

12402973197 is a wasteful number, since it uses less digits than its factorization.

12402973197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521977 (or 521974 counting only the distinct ones).

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

The spelling of 12402973197 in words is "twelve billion, four hundred two million, nine hundred seventy-three thousand, one hundred ninety-seven".