100121010212 has 24 divisors (see below), whose sum is σ = 183958844160. Its totient is φ = 47612869920.

The previous prime is 100121010203. The next prime is 100121010259. The reversal of 100121010212 is 212010121001.

It is a junction number, because it is equal to n+sod(n) for n = 100121010193 and 100121010202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6433364 + ... + 6448907.

It is an arithmetic number, because the mean of its divisors is an integer number (7664951840).

Almost surely, 2^100121010212 is an apocalyptic number.

It is an amenable number.

100121010212 is a deficient number, since it is larger than the sum of its proper divisors (83837833948).

100121010212 is a wasteful number, since it uses less digits than its factorization.

100121010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12882371 (or 12882369 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100121010212 its reverse (212010121001), we get a palindrome (312131131213).

The spelling of 100121010212 in words is "one hundred billion, one hundred twenty-one million, ten thousand, two hundred twelve".