100012201121212 has 6 divisors (see below), whose sum is σ = 175021351962128. Its totient is φ = 50006100560604.

The previous prime is 100012201121167. The next prime is 100012201121221. The reversal of 100012201121212 is 212121102210001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501525140148 + ... + 12501525140155.

Almost surely, 2^{100012201121212} is an apocalyptic number.

It is an amenable number.

100012201121212 is a deficient number, since it is larger than the sum of its proper divisors (75009150840916).

100012201121212 is a wasteful number, since it uses less digits than its factorization.

100012201121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003050280307 (or 25003050280305 counting only the distinct ones).

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

Adding to 100012201121212 its reverse (212121102210001), we get a palindrome (312133303331213).

The spelling of 100012201121212 in words is "one hundred trillion, twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred twelve".