100421142012 has 24 divisors (see below), whose sum is σ = 260351109200. Its totient is φ = 33473713968.

The previous prime is 100421142011. The next prime is 100421142061. The reversal of 100421142012 is 210241124001.

100421142012 is a `hidden beast` number, since 100 + 421 + 142 + 0 + 1 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421142011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464912587 + ... + 464912802.

Almost surely, 2^100421142012 is an apocalyptic number.

100421142012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100421142012 is an abundant number, since it is smaller than the sum of its proper divisors (159929967188).

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

100421142012 is a wasteful number, since it uses less digits than its factorization.

100421142012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929825402 (or 929825394 counting only the distinct ones).

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

Adding to 100421142012 its reverse (210241124001), we get a palindrome (310662266013).

The spelling of 100421142012 in words is "one hundred billion, four hundred twenty-one million, one hundred forty-two thousand, twelve".