100243421012 has 24 divisors (see below), whose sum is σ = 200497510080. Its totient is φ = 42959180160.

The previous prime is 100243421009. The next prime is 100243421023. The reversal of 100243421012 is 210124342001.

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, 507212 + ... + 676572.

It is an arithmetic number, because the mean of its divisors is an integer number (8354062920).

Almost surely, 2^100243421012 is an apocalyptic number.

It is an amenable number.

100243421012 is an abundant number, since it is smaller than the sum of its proper divisors (100254089068).

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

100243421012 is a wasteful number, since it uses less digits than its factorization.

100243421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190511 (or 190509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 100243421012 its reverse (210124342001), we get a palindrome (310367763013).

The spelling of 100243421012 in words is "one hundred billion, two hundred forty-three million, four hundred twenty-one thousand, twelve".