100012122122 has 32 divisors (see below), whose sum is σ = 164693260800. Its totient is φ = 45172583280.

The previous prime is 100012122109. The next prime is 100012122127. The reversal of 100012122122 is 221221210001.

It is a junction number, because it is equal to n+sod(n) for n = 100012122097 and 100012122106.

It is not an unprimeable number, because it can be changed into a prime (100012122127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3430973 + ... + 3459999.

It is an arithmetic number, because the mean of its divisors is an integer number (5146664400).

Almost surely, 2^100012122122 is an apocalyptic number.

100012122122 is a deficient number, since it is larger than the sum of its proper divisors (64681138678).

100012122122 is a wasteful number, since it uses less digits than its factorization.

100012122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30026.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100012122122 its reverse (221221210001), we get a palindrome (321233332123).

The spelling of 100012122122 in words is "one hundred billion, twelve million, one hundred twenty-two thousand, one hundred twenty-two".