12421142100 has 72 divisors (see below), whose sum is σ = 39931680320. Its totient is φ = 3312303840.

The previous prime is 12421142087. The next prime is 12421142117. The reversal of 12421142100 is 124112421.

12421142100 is a `hidden beast` number, since 1 + 2 + 421 + 142 + 100 = 666.

12421142100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2297512 + ... + 2302911.

Almost surely, 2^12421142100 is an apocalyptic number.

12421142100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421142100 is an abundant number, since it is smaller than the sum of its proper divisors (27510538220).

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

12421142100 is a wasteful number, since it uses less digits than its factorization.

12421142100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600446 (or 4600433 counting only the distinct ones).

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

Adding to 12421142100 its reverse (124112421), we get a palindrome (12545254521).

The spelling of 12421142100 in words is "twelve billion, four hundred twenty-one million, one hundred forty-two thousand, one hundred".