12427011660 has 96 divisors (see below), whose sum is σ = 40841256960. Its totient is φ = 2763687168.

The previous prime is 12427011659. The next prime is 12427011661. The reversal of 12427011660 is 6611072421.

It is an interprime number because it is at equal distance from previous prime (12427011659) and next prime (12427011661).

It is a super-3 number, since 3×12427011660³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (12427011661) 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, 384300 + ... + 415379.

It is an arithmetic number, because the mean of its divisors is an integer number (425429760).

Almost surely, 2^12427011660 is an apocalyptic number.

12427011660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12427011660 is an abundant number, since it is smaller than the sum of its proper divisors (28414245300).

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

12427011660 is a wasteful number, since it uses less digits than its factorization.

12427011660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799735 (or 799733 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 12427011660 in words is "twelve billion, four hundred twenty-seven million, eleven thousand, six hundred sixty".