12197335180851 has 12 divisors (see below), whose sum is σ = 17618493847240. Its totient is φ = 8131501029600.

The previous prime is 12197335180841. The next prime is 12197335180871. The reversal of 12197335180851 is 15808153379121.

12197335180851 is a `hidden beast` number, since 1 + 2 + 1 + 9 + 73 + 3 + 518 + 0 + 8 + 51 = 666.

It is not a de Polignac number, because 12197335180851 - 2⁵ = 12197335180819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12197335180831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3238561 + ... + 5906178.

Almost surely, 2^{12197335180851} is an apocalyptic number.

12197335180851 is a deficient number, since it is larger than the sum of its proper divisors (5421158666389).

12197335180851 is a wasteful number, since it uses less digits than its factorization.

12197335180851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292946 (or 9292943 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 12197335180851 in words is "twelve trillion, one hundred ninety-seven billion, three hundred thirty-five million, one hundred eighty thousand, eight hundred fifty-one".