212020023312 has 60 divisors (see below), whose sum is σ = 615337959600. Its totient is φ = 70673339808.

The previous prime is 212020023301. The next prime is 212020023329. The reversal of 212020023312 is 213320020212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27262062 + ... + 27269837.

It is an arithmetic number, because the mean of its divisors is an integer number (10255632660).

Almost surely, 2^212020023312 is an apocalyptic number.

It is an amenable number.

212020023312 is an abundant number, since it is smaller than the sum of its proper divisors (403317936288).

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

212020023312 is an equidigital number, since it uses as much as digits as its factorization.

212020023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54531922 (or 54531904 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212020023312 its reverse (213320020212), we get a palindrome (425340043524).

The spelling of 212020023312 in words is "two hundred twelve billion, twenty million, twenty-three thousand, three hundred twelve".