212202203312 has 80 divisors (see below), whose sum is σ = 458670643200. Its totient is φ = 94277713920.

The previous prime is 212202203309. The next prime is 212202203329. The reversal of 212202203312 is 213302202212.

It is a happy 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, 6344489 + ... + 6377847.

It is an arithmetic number, because the mean of its divisors is an integer number (5733383040).

Almost surely, 2^212202203312 is an apocalyptic number.

212202203312 is a gapful number since it is divisible by the number (22) 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 212202203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229335321600).

212202203312 is an abundant number, since it is smaller than the sum of its proper divisors (246468439888).

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

212202203312 is a wasteful number, since it uses less digits than its factorization.

212202203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34194 (or 34188 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212202203312 its reverse (213302202212), we get a palindrome (425504405524).

It can be divided in two parts, 212202 and 203312, that added together give a palindrome (415514).

The spelling of 212202203312 in words is "two hundred twelve billion, two hundred two million, two hundred three thousand, three hundred twelve".