200232321212 has 144 divisors (see below), whose sum is σ = 466800122880. Its totient is φ = 73309125120.

The previous prime is 200232321167. The next prime is 200232321239. The reversal of 200232321212 is 212123232002.

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 47 ways as a sum of consecutive naturals, for example, 42791489 + ... + 42796167.

It is an arithmetic number, because the mean of its divisors is an integer number (3241667520).

Almost surely, 2^200232321212 is an apocalyptic number.

200232321212 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 200232321212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233400061440).

200232321212 is an abundant number, since it is smaller than the sum of its proper divisors (266567801668).

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

200232321212 is a wasteful number, since it uses less digits than its factorization.

200232321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5459 counting only the distinct ones).

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

Adding to 200232321212 its reverse (212123232002), we get a palindrome (412355553214).

The spelling of 200232321212 in words is "two hundred billion, two hundred thirty-two million, three hundred twenty-one thousand, two hundred twelve".