12098179157 has 4 divisors (see below), whose sum is σ = 12099697740. Its totient is φ = 12096660576.

The previous prime is 12098179153. The next prime is 12098179207. The reversal of 12098179157 is 75197189021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9518148721 + 2580030436 = 97561^2 + 50794^2 .

It is a cyclic number.

It is not a de Polignac number, because 12098179157 - 2² = 12098179153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098179153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747278 + ... + 763295.

It is an arithmetic number, because the mean of its divisors is an integer number (3024924435).

Almost surely, 2^12098179157 is an apocalyptic number.

It is an amenable number.

12098179157 is a deficient number, since it is larger than the sum of its proper divisors (1518583).

12098179157 is an equidigital number, since it uses as much as digits as its factorization.

12098179157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518582.

The product of its (nonzero) digits is 317520, while the sum is 50.

The spelling of 12098179157 in words is "twelve billion, ninety-eight million, one hundred seventy-nine thousand, one hundred fifty-seven".