100001022100212 has 12 divisors (see below), whose sum is σ = 233335718233856. Its totient is φ = 33333674033400.

The previous prime is 100001022100193. The next prime is 100001022100261. The reversal of 100001022100212 is 212001220100001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 8333418508351 = 100001022100212 / (1 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 2 + 1 + 0 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4166709254164 + ... + 4166709254187.

Almost surely, 2^{100001022100212} is an apocalyptic number.

100001022100212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100001022100212 is an abundant number, since it is smaller than the sum of its proper divisors (133334696133644).

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

100001022100212 is a wasteful number, since it uses less digits than its factorization.

100001022100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333418508358 (or 8333418508356 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100001022100212 its reverse (212001220100001), we get a palindrome (312002242200213).

The spelling of 100001022100212 in words is "one hundred trillion, one billion, twenty-two million, one hundred thousand, two hundred twelve".