212111332000 has 48 divisors (see below), whose sum is σ = 521157552552. Its totient is φ = 84844531200.

The previous prime is 212111331997. The next prime is 212111332039. The reversal of 212111332000 is 233111212.

It can be written as a sum of positive squares in 4 ways, for example, as 36406166416 + 175705165584 = 190804^2 + 419172^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 26509917 + ... + 26517916.

Almost surely, 2^212111332000 is an apocalyptic number.

212111332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111332000 is an abundant number, since it is smaller than the sum of its proper divisors (309046220552).

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

212111332000 is an equidigital number, since it uses as much as digits as its factorization.

212111332000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53027858 (or 53027840 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212111332000 its reverse (233111212), we get a palindrome (212344443212).

The spelling of 212111332000 in words is "two hundred twelve billion, one hundred eleven million, three hundred thirty-two thousand".