100012122122212 has 48 divisors (see below), whose sum is σ = 175443701956992. Its totient is φ = 49885535681280.

The previous prime is 100012122122177. The next prime is 100012122122243. The reversal of 100012122122212 is 212221221210001.

It is a self number, because there is not a number n which added to its sum of digits gives 100012122122212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17064000162 + ... + 17064006022.

It is an arithmetic number, because the mean of its divisors is an integer number (3655077124104).

Almost surely, 2^{100012122122212} is an apocalyptic number.

It is an amenable number.

100012122122212 is a deficient number, since it is larger than the sum of its proper divisors (75431579834780).

100012122122212 is a wasteful number, since it uses less digits than its factorization.

100012122122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12148 (or 12146 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 100012122122212 its reverse (212221221210001), we get a palindrome (312233343332213).

The spelling of 100012122122212 in words is "one hundred trillion, twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".