100121000212 has 12 divisors (see below), whose sum is σ = 175455443520. Its totient is φ = 49990873496.

The previous prime is 100121000201. The next prime is 100121000237. The reversal of 100121000212 is 212000121001.

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, 17403418 + ... + 17409169.

It is an arithmetic number, because the mean of its divisors is an integer number (14621286960).

Almost surely, 2^100121000212 is an apocalyptic number.

It is an amenable number.

100121000212 is a deficient number, since it is larger than the sum of its proper divisors (75334443308).

100121000212 is a wasteful number, since it uses less digits than its factorization.

100121000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34813310 (or 34813308 counting only the distinct ones).

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

Adding to 100121000212 its reverse (212000121001), we get a palindrome (312121121213).

The spelling of 100121000212 in words is "one hundred billion, one hundred twenty-one million, two hundred twelve", and thus it is an aban number.