100102121010012 has 96 divisors (see below), whose sum is σ = 258352628696064. Its totient is φ = 29911869388800.

The previous prime is 100102121010011. The next prime is 100102121010029. The reversal of 100102121010012 is 210010121201001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 100102121010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100102121010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42810973 + ... + 45088619.

It is an arithmetic number, because the mean of its divisors is an integer number (2691173215584).

Almost surely, 2^{100102121010012} is an apocalyptic number.

100102121010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100102121010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129176314348032).

100102121010012 is an abundant number, since it is smaller than the sum of its proper divisors (158250507686052).

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

100102121010012 is a wasteful number, since it uses less digits than its factorization.

100102121010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282299 (or 2282297 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100102121010012 its reverse (210010121201001), we get a palindrome (310112242211013).

The spelling of 100102121010012 in words is "one hundred trillion, one hundred two billion, one hundred twenty-one million, ten thousand, twelve".