100122011201212 has 48 divisors (see below), whose sum is σ = 235251718636032. Its totient is φ = 36007916114880.

The previous prime is 100122011201161. The next prime is 100122011201213. The reversal of 100122011201212 is 212102110221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122011201213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12502744648 + ... + 12502752655.

It is an arithmetic number, because the mean of its divisors is an integer number (4901077471584).

Almost surely, 2^{100122011201212} is an apocalyptic number.

It is an amenable number.

100122011201212 is an abundant number, since it is smaller than the sum of its proper divisors (135129707434820).

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

100122011201212 is a wasteful number, since it uses less digits than its factorization.

100122011201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005497338 (or 25005497336 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100122011201212 its reverse (212102110221001), we get a palindrome (312224121422213).

The spelling of 100122011201212 in words is "one hundred trillion, one hundred twenty-two billion, eleven million, two hundred one thousand, two hundred twelve".