12477272480 has 96 divisors (see below), whose sum is σ = 29786351616. Its totient is φ = 4938845184.

The previous prime is 12477272459. The next prime is 12477272503. The reversal of 12477272480 is 8427277421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13756187 + ... + 13757093.

It is an arithmetic number, because the mean of its divisors is an integer number (310274496).

Almost surely, 2^12477272480 is an apocalyptic number.

12477272480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12477272480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14893175808).

12477272480 is an abundant number, since it is smaller than the sum of its proper divisors (17309079136).

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

12477272480 is a wasteful number, since it uses less digits than its factorization.

12477272480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 44.

It can be divided in two parts, 1247 and 7272480, that added together give a palindrome (7273727).

The spelling of 12477272480 in words is "twelve billion, four hundred seventy-seven million, two hundred seventy-two thousand, four hundred eighty".