213002223312 has 80 divisors (see below), whose sum is σ = 557661093120. Its totient is φ = 70048720896.

The previous prime is 213002223293. The next prime is 213002223323. The reversal of 213002223312 is 213322200312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897753 + ... + 2006855.

It is an arithmetic number, because the mean of its divisors is an integer number (6970763664).

Almost surely, 2^213002223312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213002223312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278830546560).

213002223312 is an abundant number, since it is smaller than the sum of its proper divisors (344658869808).

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

213002223312 is a wasteful number, since it uses less digits than its factorization.

213002223312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109660 (or 109654 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213002223312 its reverse (213322200312), we get a palindrome (426324423624).

The spelling of 213002223312 in words is "two hundred thirteen billion, two million, two hundred twenty-three thousand, three hundred twelve".