100123210213122 has 16 divisors (see below), whose sum is σ = 200350014045120. Its totient is φ = 33357137801232.

The previous prime is 100123210213051. The next prime is 100123210213133. The reversal of 100123210213122 is 221312012321001.

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, 4316388222 + ... + 4316411417.

It is an arithmetic number, because the mean of its divisors is an integer number (12521875877820).

Almost surely, 2^{100123210213122} is an apocalyptic number.

100123210213122 is an abundant number, since it is smaller than the sum of its proper divisors (100226803831998).

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

100123210213122 is a wasteful number, since it uses less digits than its factorization.

100123210213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8632801577.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 100123210213122 its reverse (221312012321001), we get a palindrome (321435222534123).

The spelling of 100123210213122 in words is "one hundred trillion, one hundred twenty-three billion, two hundred ten million, two hundred thirteen thousand, one hundred twenty-two".