100212121010210 has 32 divisors (see below), whose sum is σ = 196781793515712. Its totient is φ = 36440469679680.

The previous prime is 100212121010167. The next prime is 100212121010219. The reversal of 100212121010210 is 12010121212001.

It is not an unprimeable number, because it can be changed into a prime (100212121010219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9802424 + ... + 17219516.

It is an arithmetic number, because the mean of its divisors is an integer number (6149431047366).

Almost surely, 2^{100212121010210} is an apocalyptic number.

100212121010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100212121010210 is a deficient number, since it is larger than the sum of its proper divisors (96569672505502).

100212121010210 is a wasteful number, since it uses less digits than its factorization.

100212121010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539938.

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

Adding to 100212121010210 its reverse (12010121212001), we get a palindrome (112222242222211).

The spelling of 100212121010210 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-one million, ten thousand, two hundred ten".