100420234012 has 24 divisors (see below), whose sum is σ = 203591711456. Its totient is φ = 42447691008.

The previous prime is 100420234009. The next prime is 100420234027. The reversal of 100420234012 is 210432024001.

It is a super-2 number, since 2×100420234012² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 24562593 + ... + 24566680.

Almost surely, 2^100420234012 is an apocalyptic number.

It is an amenable number.

100420234012 is an abundant number, since it is smaller than the sum of its proper divisors (103171477444).

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

100420234012 is a wasteful number, since it uses less digits than its factorization.

100420234012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49129357 (or 49129355 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 100420234012 its reverse (210432024001), we get a palindrome (310852258013).

The spelling of 100420234012 in words is "one hundred billion, four hundred twenty million, two hundred thirty-four thousand, twelve".