12157462180409 has 32 divisors (see below), whose sum is σ = 15073231541760. Its totient is φ = 9548256517632.

The previous prime is 12157462180361. The next prime is 12157462180429. The reversal of 12157462180409 is 90408126475121.

12157462180409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12157462180409 - 2⁸ = 12157462180153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12157462180429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 323412587 + ... + 323450175.

It is an arithmetic number, because the mean of its divisors is an integer number (471038485680).

Almost surely, 2^{12157462180409} is an apocalyptic number.

It is an amenable number.

12157462180409 is a deficient number, since it is larger than the sum of its proper divisors (2915769361351).

12157462180409 is a wasteful number, since it uses less digits than its factorization.

12157462180409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63689.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 12157462180409 in words is "twelve trillion, one hundred fifty-seven billion, four hundred sixty-two million, one hundred eighty thousand, four hundred nine".