212212140304 has 60 divisors (see below), whose sum is σ = 434089399536. Its totient is φ = 100486943424.

The previous prime is 212212140289. The next prime is 212212140313. The reversal of 212212140304 is 403041212212.

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, 26120787 + ... + 26128909.

Almost surely, 2^212212140304 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 212212140304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217044699768).

212212140304 is an abundant number, since it is smaller than the sum of its proper divisors (221877259232).

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

212212140304 is a wasteful number, since it uses less digits than its factorization.

212212140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692 (or 12667 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212212140304 its reverse (403041212212), we get a palindrome (615253352516).

The spelling of 212212140304 in words is "two hundred twelve billion, two hundred twelve million, one hundred forty thousand, three hundred four".