223212220311000 has 128 divisors (see below), whose sum is σ = 696651468327360. Its totient is φ = 59503656960000.

The previous prime is 223212220310987. The next prime is 223212220311049. The reversal of 223212220311000 is 113022212322.

It is a super-3 number, since 3×223212220311000³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3138601 + ... + 21360600.

Almost surely, 2^{223212220311000} is an apocalyptic number.

223212220311000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223212220311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348325734163680).

223212220311000 is an abundant number, since it is smaller than the sum of its proper divisors (473439248016360).

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

223212220311000 is a wasteful number, since it uses less digits than its factorization.

223212220311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502262 (or 24502248 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 223212220311000 its reverse (113022212322), we get a palindrome (223325242523322).

The spelling of 223212220311000 in words is "two hundred twenty-three trillion, two hundred twelve billion, two hundred twenty million, three hundred eleven thousand".