100200102121212 has 24 divisors (see below), whose sum is σ = 233815586982096. Its totient is φ = 33397841369088.

The previous prime is 100200102121201. The next prime is 100200102121307. The reversal of 100200102121212 is 212121201002001.

It is a junction number, because it is equal to n+sod(n) for n = 100200102121191 and 100200102121200.

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, 273893503 + ... + 274259094.

It is an arithmetic number, because the mean of its divisors is an integer number (9742316124254).

Almost surely, 2^{100200102121212} is an apocalyptic number.

100200102121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100200102121212 is an abundant number, since it is smaller than the sum of its proper divisors (133615484860884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100200102121212 is a wasteful number, since it uses less digits than its factorization.

100200102121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548167837 (or 548167835 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100200102121212 its reverse (212121201002001), we get a palindrome (312321303123213).

The spelling of 100200102121212 in words is "one hundred trillion, two hundred billion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".