100012022012 has 24 divisors (see below), whose sum is σ = 200035599456. Its totient is φ = 42859819008.

The previous prime is 100012021997. The next prime is 100012022039. The reversal of 100012022012 is 210220210001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100012021984 and 100012022002.

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, 440408 + ... + 627680.

It is an arithmetic number, because the mean of its divisors is an integer number (8334816644).

Almost surely, 2^100012022012 is an apocalyptic number.

It is an amenable number.

100012022012 is an abundant number, since it is smaller than the sum of its proper divisors (100023577444).

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

100012022012 is a wasteful number, since it uses less digits than its factorization.

100012022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206357 (or 206355 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100012022012 its reverse (210220210001), we get a palindrome (310232232013).

The spelling of 100012022012 in words is "one hundred billion, twelve million, twenty-two thousand, twelve".