100212213200213 has 4 divisors (see below), whose sum is σ = 100212379956108. Its totient is φ = 100212046444320.

The previous prime is 100212213200171. The next prime is 100212213200233. The reversal of 100212213200213 is 312002312212001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52867121076484 + 47345092123729 = 7270978^2 + 6880777^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212213200213 - 2²⁶ = 100212146091349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212213200233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82473248 + ... + 83679513.

It is an arithmetic number, because the mean of its divisors is an integer number (25053094989027).

Almost surely, 2^{100212213200213} is an apocalyptic number.

It is an amenable number.

100212213200213 is a deficient number, since it is larger than the sum of its proper divisors (166755895).

100212213200213 is an equidigital number, since it uses as much as digits as its factorization.

100212213200213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166755894.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 100212213200213 its reverse (312002312212001), we get a palindrome (412214525412214).

The spelling of 100212213200213 in words is "one hundred trillion, two hundred twelve billion, two hundred thirteen million, two hundred thousand, two hundred thirteen".