212000021111000 has 32 divisors (see below), whose sum is σ = 496080049402080. Its totient is φ = 84800008444000.

The previous prime is 212000021110963. The next prime is 212000021111029. The reversal of 212000021111000 is 111120000212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106000009556 + ... + 106000011555.

It is an arithmetic number, because the mean of its divisors is an integer number (15502501543815).

Almost surely, 2^{212000021111000} is an apocalyptic number.

212000021111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000021111000 is an abundant number, since it is smaller than the sum of its proper divisors (284080028291080).

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

212000021111000 is a wasteful number, since it uses less digits than its factorization.

212000021111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212000021132 (or 212000021118 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 212000021111000 its reverse (111120000212), we get a palindrome (212111141111212).

The spelling of 212000021111000 in words is "two hundred twelve trillion, twenty-one million, one hundred eleven thousand".