100120010121212 has 12 divisors (see below), whose sum is σ = 177016306555200. Its totient is φ = 49543922534016.

The previous prime is 100120010121203. The next prime is 100120010121221. The reversal of 100120010121212 is 212121010021001.

It is an interprime number because it is at equal distance from previous prime (100120010121203) and next prime (100120010121221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129020631212 + ... + 129020631987.

It is an arithmetic number, because the mean of its divisors is an integer number (14751358879600).

Almost surely, 2^{100120010121212} is an apocalyptic number.

It is an amenable number.

100120010121212 is a deficient number, since it is larger than the sum of its proper divisors (76896296433988).

100120010121212 is a wasteful number, since it uses less digits than its factorization.

100120010121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258041263300 (or 258041263298 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100120010121212 its reverse (212121010021001), we get a palindrome (312241020142213).

The spelling of 100120010121212 in words is "one hundred trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, two hundred twelve".