12421162560 has 56 divisors (see below), whose sum is σ = 39437194176. Its totient is φ = 3312309760.

The previous prime is 12421162549. The next prime is 12421162571. The reversal of 12421162560 is 6526112421.

It is an interprime number because it is at equal distance from previous prime (12421162549) and next prime (12421162571).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6468396 + ... + 6470315.

Almost surely, 2^12421162560 is an apocalyptic number.

12421162560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421162560 is an abundant number, since it is smaller than the sum of its proper divisors (27016031616).

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

12421162560 is a wasteful number, since it uses less digits than its factorization.

12421162560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12938731 (or 12938721 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 12421162560 its reverse (6526112421), we get a palindrome (18947274981).

The spelling of 12421162560 in words is "twelve billion, four hundred twenty-one million, one hundred sixty-two thousand, five hundred sixty".