212022333312 has 64 divisors (see below), whose sum is σ = 569512328400. Its totient is φ = 69880008704.

The previous prime is 212022333251. The next prime is 212022333353. The reversal of 212022333312 is 213333220212.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 3067743 + ... + 3136094.

Almost surely, 2^212022333312 is an apocalyptic number.

It is an amenable number.

212022333312 is an abundant number, since it is smaller than the sum of its proper divisors (357489995088).

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

212022333312 is an equidigital number, since it uses as much as digits as its factorization.

212022333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203943 (or 6203931 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212022333312 its reverse (213333220212), we get a palindrome (425355553524).

The spelling of 212022333312 in words is "two hundred twelve billion, twenty-two million, three hundred thirty-three thousand, three hundred twelve".