12412421400 has 48 divisors (see below), whose sum is σ = 38478508200. Its totient is φ = 3309978880.

The previous prime is 12412421389. The next prime is 12412421447. The reversal of 12412421400 is 412421421.

It is a super-2 number, since 2×12412421400² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10343085 + ... + 10344284.

Almost surely, 2^12412421400 is an apocalyptic number.

12412421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12412421400 is an abundant number, since it is smaller than the sum of its proper divisors (26066086800).

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

12412421400 is a wasteful number, since it uses less digits than its factorization.

12412421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687388 (or 20687379 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 12412421400 its sum of digits (21), we get a palindrome (12412421421).

Adding to 12412421400 its reverse (412421421), we get a palindrome (12824842821).

The spelling of 12412421400 in words is "twelve billion, four hundred twelve million, four hundred twenty-one thousand, four hundred".