12480774157 has 8 divisors (see below), whose sum is σ = 12811898240. Its totient is φ = 12153978720.

The previous prime is 12480774133. The next prime is 12480774161. The reversal of 12480774157 is 75147708421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12480774157 - 2¹⁹ = 12480249869 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 (12480774197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076319 + ... + 1087852.

It is an arithmetic number, because the mean of its divisors is an integer number (1601487280).

Almost surely, 2^12480774157 is an apocalyptic number.

It is an amenable number.

12480774157 is a deficient number, since it is larger than the sum of its proper divisors (331124083).

12480774157 is an equidigital number, since it uses as much as digits as its factorization.

12480774157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164323.

The product of its (nonzero) digits is 439040, while the sum is 46.

The spelling of 12480774157 in words is "twelve billion, four hundred eighty million, seven hundred seventy-four thousand, one hundred fifty-seven".