100122122212012 has 48 divisors (see below), whose sum is σ = 182788567315200. Its totient is φ = 47926620822080.

The previous prime is 100122122212009. The next prime is 100122122212061. The reversal of 100122122212012 is 210212221221001.

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, 15891039 + ... + 21278377.

It is an arithmetic number, because the mean of its divisors is an integer number (3808095152400).

Almost surely, 2^{100122122212012} is an apocalyptic number.

It is an amenable number.

100122122212012 is a deficient number, since it is larger than the sum of its proper divisors (82666445103188).

100122122212012 is a wasteful number, since it uses less digits than its factorization.

100122122212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5388726 (or 5388724 counting only the distinct ones).

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

Adding to 100122122212012 its reverse (210212221221001), we get a palindrome (310334343433013).

The spelling of 100122122212012 in words is "one hundred trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, twelve".