100212102121236 has 96 divisors (see below), whose sum is σ = 267684058989312. Its totient is φ = 28583638871040.

The previous prime is 100212102121099. The next prime is 100212102121237. The reversal of 100212102121236 is 632121201212001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212102121237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318383890 + ... + 318698486.

It is an arithmetic number, because the mean of its divisors is an integer number (2788375614472).

Almost surely, 2^{100212102121236} is an apocalyptic number.

It is an amenable number.

100212102121236 is an abundant number, since it is smaller than the sum of its proper divisors (167471956868076).

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

100212102121236 is a wasteful number, since it uses less digits than its factorization.

100212102121236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321009 (or 321007 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 100212102121236 its reverse (632121201212001), we get a palindrome (732333303333237).

The spelling of 100212102121236 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, two hundred thirty-six".