100120001000212 has 48 divisors (see below), whose sum is σ = 181176325348480. Its totient is φ = 48381127901568.

The previous prime is 100120001000209. The next prime is 100120001000219. The reversal of 100120001000212 is 212000100021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100120001000219) 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, 10099513 + ... + 17385055.

Almost surely, 2^{100120001000212} is an apocalyptic number.

It is an amenable number.

100120001000212 is a deficient number, since it is larger than the sum of its proper divisors (81056324348268).

100120001000212 is a wasteful number, since it uses less digits than its factorization.

100120001000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286432 (or 7286430 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100120001000212 its reverse (212000100021001), we get a palindrome (312120101021213).

The spelling of 100120001000212 in words is "one hundred trillion, one hundred twenty billion, one million, two hundred twelve", and thus it is an aban number.