212100001110100 has 72 divisors (see below), whose sum is σ = 480271480657920. Its totient is φ = 81150746455680.

The previous prime is 212100001110073. The next prime is 212100001110131. The reversal of 212100001110100 is 1011100001212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518429421 + ... + 518838379.

It is an arithmetic number, because the mean of its divisors is an integer number (6670437231360).

Almost surely, 2^{212100001110100} is an apocalyptic number.

212100001110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100001110100 is an abundant number, since it is smaller than the sum of its proper divisors (268171479547820).

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

212100001110100 is a wasteful number, since it uses less digits than its factorization.

212100001110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634489 (or 634482 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 212100001110100 its reverse (1011100001212), we get a palindrome (213111101111312).

The spelling of 212100001110100 in words is "two hundred twelve trillion, one hundred billion, one million, one hundred ten thousand, one hundred".