12179197351 has 4 divisors (see below), whose sum is σ = 12190341352. Its totient is φ = 12168053352.

The previous prime is 12179197343. The next prime is 12179197369. The reversal of 12179197351 is 15379197121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12179197351 - 2³ = 12179197343 is a prime.

It is a super-2 number, since 2×12179197351² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12179197301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570361 + ... + 5572546.

It is an arithmetic number, because the mean of its divisors is an integer number (3047585338).

Almost surely, 2^12179197351 is an apocalyptic number.

12179197351 is a deficient number, since it is larger than the sum of its proper divisors (11144001).

12179197351 is a wasteful number, since it uses less digits than its factorization.

12179197351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144000.

The product of its digits is 119070, while the sum is 46.

The spelling of 12179197351 in words is "twelve billion, one hundred seventy-nine million, one hundred ninety-seven thousand, three hundred fifty-one".