213032222000 has 160 divisors (see below), whose sum is σ = 560128732800. Its totient is φ = 77893401600.

The previous prime is 213032221979. The next prime is 213032222023. The reversal of 213032222000 is 222230312.

It is a super-2 number, since 2×213032222000² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213032222000.

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, 2638226 + ... + 2717774.

It is an arithmetic number, because the mean of its divisors is an integer number (3500804580).

Almost surely, 2^213032222000 is an apocalyptic number.

213032222000 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 213032222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280064366400).

213032222000 is an abundant number, since it is smaller than the sum of its proper divisors (347096510800).

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

213032222000 is a wasteful number, since it uses less digits than its factorization.

213032222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79688 (or 79672 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 213032222000 its reverse (222230312), we get a palindrome (213254452312).

The spelling of 213032222000 in words is "two hundred thirteen billion, thirty-two million, two hundred twenty-two thousand".