212001111010000 has 200 divisors, whose sum is σ = 552792106401920. Its totient is φ = 78272595648000.

The previous prime is 212001111009997. The next prime is 212001111010063. The reversal of 212001111010000 is 10111100212.

It is a tau number, because it is divible by the number of its divisors (200).

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 39 ways as a sum of consecutive naturals, for example, 2727751141 + ... + 2727828859.

Almost surely, 2^{212001111010000} is an apocalyptic number.

212001111010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212001111010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276396053200960).

212001111010000 is an abundant number, since it is smaller than the sum of its proper divisors (340790995391920).

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

212001111010000 is a wasteful number, since it uses less digits than its factorization.

212001111010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98743 (or 98722 counting only the distinct ones).

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

Adding to 212001111010000 its reverse (10111100212), we get a palindrome (212011222110212).

The spelling of 212001111010000 in words is "two hundred twelve trillion, one billion, one hundred eleven million, ten thousand".