12421010412 has 36 divisors (see below), whose sum is σ = 31597552896. Its totient is φ = 4113963360.

The previous prime is 12421010389. The next prime is 12421010417. The reversal of 12421010412 is 21401012421.

12421010412 is a `hidden beast` number, since 1 + 242 + 1 + 0 + 10 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12421010417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1093164 + ... + 1104467.

Almost surely, 2^12421010412 is an apocalyptic number.

12421010412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12421010412 is an abundant number, since it is smaller than the sum of its proper divisors (19176542484).

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

12421010412 is a wasteful number, since it uses less digits than its factorization.

12421010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197798 (or 2197793 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12421010412 its reverse (21401012421), we get a palindrome (33822022833).

The spelling of 12421010412 in words is "twelve billion, four hundred twenty-one million, ten thousand, four hundred twelve".