212201203320 has 48 divisors (see below), whose sum is σ = 689653911960. Its totient is φ = 56586987456.

The previous prime is 212201203303. The next prime is 212201203337. The reversal of 212201203320 is 23302102212.

212201203320 is a `hidden beast` number, since 2 + 1 + 220 + 120 + 3 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (212201203303) and next prime (212201203337).

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

It is a junction number, because it is equal to n+sod(n) for n = 212201203293 and 212201203302.

It is a congruent number.

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, 294723534 + ... + 294724253.

Almost surely, 2^212201203320 is an apocalyptic number.

212201203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201203320 is an abundant number, since it is smaller than the sum of its proper divisors (477452708640).

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

212201203320 is a wasteful number, since it uses less digits than its factorization.

212201203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589447804 (or 589447797 counting only the distinct ones).

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

Adding to 212201203320 its reverse (23302102212), we get a palindrome (235503305532).

The spelling of 212201203320 in words is "two hundred twelve billion, two hundred one million, two hundred three thousand, three hundred twenty".