100220432412 has 24 divisors (see below), whose sum is σ = 234387751696. Its totient is φ = 33329657088.

The previous prime is 100220432407. The next prime is 100220432437. The reversal of 100220432412 is 214234022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9638803 + ... + 9649194.

Almost surely, 2^100220432412 is an apocalyptic number.

100220432412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100220432412 is an abundant number, since it is smaller than the sum of its proper divisors (134167319284).

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

100220432412 is a wasteful number, since it uses less digits than its factorization.

100220432412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19288437 (or 19288435 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 100220432412 its reverse (214234022001), we get a palindrome (314454454413).

The spelling of 100220432412 in words is "one hundred billion, two hundred twenty million, four hundred thirty-two thousand, four hundred twelve".