212220003000 has 128 divisors (see below), whose sum is σ = 674619865920. Its totient is φ = 55524185600.

The previous prime is 212220002893. The next prime is 212220003007. The reversal of 212220003000 is 300022212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220003007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508359 + ... + 826358.

Almost surely, 2^212220003000 is an apocalyptic number.

212220003000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212220003000 is an abundant number, since it is smaller than the sum of its proper divisors (462399862920).

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

212220003000 is a wasteful number, since it uses less digits than its factorization.

212220003000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334794 (or 1334780 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 212220003000 its reverse (300022212), we get a palindrome (212520025212).

The spelling of 212220003000 in words is "two hundred twelve billion, two hundred twenty million, three thousand".