100212100002 has 72 divisors (see below), whose sum is σ = 252628442352. Its totient is φ = 28626015600.

The previous prime is 100212099983. The next prime is 100212100013. The reversal of 100212100002 is 200001212001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5786977 + ... + 5804267.

It is an arithmetic number, because the mean of its divisors is an integer number (3508728366).

Almost surely, 2^100212100002 is an apocalyptic number.

100212100002 is an abundant number, since it is smaller than the sum of its proper divisors (152416342350).

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

100212100002 is a wasteful number, since it uses less digits than its factorization.

100212100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23884 (or 23874 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100212100002 its reverse (200001212001), we get a palindrome (300213312003).

The spelling of 100212100002 in words is "one hundred billion, two hundred twelve million, one hundred thousand, two".