100212100019999 has 24 divisors (see below), whose sum is σ = 111243968766336. Its totient is φ = 90197574984000.

The previous prime is 100212100019987. The next prime is 100212100020007. The reversal of 100212100019999 is 999910001212001.

It is a de Polignac number, because none of the positive numbers 2^k-100212100019999 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212100019399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 620416082 + ... + 620577584.

It is an arithmetic number, because the mean of its divisors is an integer number (4635165365264).

Almost surely, 2^{100212100019999} is an apocalyptic number.

100212100019999 is a deficient number, since it is larger than the sum of its proper divisors (11031868746337).

100212100019999 is a wasteful number, since it uses less digits than its factorization.

100212100019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212399 (or 212388 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 100212100019999 in words is "one hundred trillion, two hundred twelve billion, one hundred million, nineteen thousand, nine hundred ninety-nine".