12277858995 has 48 divisors (see below), whose sum is σ = 22781491200. Its totient is φ = 6098379840.

The previous prime is 12277858991. The next prime is 12277859003. The reversal of 12277858995 is 59985877221.

It is not a de Polignac number, because 12277858995 - 2² = 12277858991 is a prime.

It is a super-2 number, since 2×12277858995² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12277858991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71251 + ... + 172140.

It is an arithmetic number, because the mean of its divisors is an integer number (474614400).

Almost surely, 2^12277858995 is an apocalyptic number.

12277858995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12277858995 is a deficient number, since it is larger than the sum of its proper divisors (10503632205).

12277858995 is a wasteful number, since it uses less digits than its factorization.

12277858995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243480 (or 243477 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 63.

The spelling of 12277858995 in words is "twelve billion, two hundred seventy-seven million, eight hundred fifty-eight thousand, nine hundred ninety-five".