212100110002000 has 80 divisors (see below), whose sum is σ = 559481526586944. Its totient is φ = 77127312720000.

The previous prime is 212100110001991. The next prime is 212100110002019. The reversal of 212100110002000 is 200011001212.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 4820435046 + ... + 4820479045.

Almost surely, 2^{212100110002000} is an apocalyptic number.

212100110002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100110002000 is an abundant number, since it is smaller than the sum of its proper divisors (347381416584944).

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

212100110002000 is a wasteful number, since it uses less digits than its factorization.

212100110002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640914125 (or 9640914109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212100110002000 its reverse (200011001212), we get a palindrome (212300121003212).

The spelling of 212100110002000 in words is "two hundred twelve trillion, one hundred billion, one hundred ten million, two thousand".