223212202120 has 32 divisors (see below), whose sum is σ = 508278395520. Its totient is φ = 88209158080.

The previous prime is 223212202097. The next prime is 223212202153. The reversal of 223212202120 is 21202212322.

It is a super-3 number, since 3×223212202120³ (a number of 35 digits) contains 333 as substring.

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, 33612976 + ... + 33619615.

It is an arithmetic number, because the mean of its divisors is an integer number (15883699860).

Almost surely, 2^223212202120 is an apocalyptic number.

223212202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223212202120 is an abundant number, since it is smaller than the sum of its proper divisors (285066193400).

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

223212202120 is a wasteful number, since it uses less digits than its factorization.

223212202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67232685 (or 67232681 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 223212202120 its reverse (21202212322), we get a palindrome (244414414442).

It can be divided in two parts, 223212202 and 120, that added together give a palindrome (223212322).

The spelling of 223212202120 in words is "two hundred twenty-three billion, two hundred twelve million, two hundred two thousand, one hundred twenty".