100020101121212 has 24 divisors (see below), whose sum is σ = 179894774712576. Its totient is φ = 48631840972848.

The previous prime is 100020101121119. The next prime is 100020101121247. The reversal of 100020101121212 is 212121101020001.

It is a congruent number.

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, 1280824868 + ... + 1280902955.

It is an arithmetic number, because the mean of its divisors is an integer number (7495615613024).

Almost surely, 2^{100020101121212} is an apocalyptic number.

It is an amenable number.

100020101121212 is a deficient number, since it is larger than the sum of its proper divisors (79874673591364).

100020101121212 is a wasteful number, since it uses less digits than its factorization.

100020101121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561728097 (or 2561728095 counting only the distinct ones).

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

Adding to 100020101121212 its reverse (212121101020001), we get a palindrome (312141202141213).

The spelling of 100020101121212 in words is "one hundred trillion, twenty billion, one hundred one million, one hundred twenty-one thousand, two hundred twelve".