12309849877248 has 288 divisors, whose sum is σ = 45384802014720. Its totient is φ = 3197363466240.

The previous prime is 12309849877231. The next prime is 12309849877271. The reversal of 12309849877248 is 84277894890321.

12309849877248 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 98 + 498 + 7 + 7 + 2 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11032315 + ... + 12096762.

Almost surely, 2^{12309849877248} is an apocalyptic number.

12309849877248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12309849877248 is an abundant number, since it is smaller than the sum of its proper divisors (33074952137472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12309849877248 is a wasteful number, since it uses less digits than its factorization.

12309849877248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23129120 (or 23129100 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 72.

The spelling of 12309849877248 in words is "twelve trillion, three hundred nine billion, eight hundred forty-nine million, eight hundred seventy-seven thousand, two hundred forty-eight".