212303121204 has 24 divisors (see below), whose sum is σ = 504720629280. Its totient is φ = 69432467104.

The previous prime is 212303121197. The next prime is 212303121209. The reversal of 212303121204 is 402121303212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303121209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166904334 + ... + 166905605.

It is an arithmetic number, because the mean of its divisors is an integer number (21030026220).

Almost surely, 2^212303121204 is an apocalyptic number.

It is an amenable number.

212303121204 is an abundant number, since it is smaller than the sum of its proper divisors (292417508076).

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

212303121204 is a wasteful number, since it uses less digits than its factorization.

212303121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333809999 (or 333809997 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212303121204 its reverse (402121303212), we get a palindrome (614424424416).

The spelling of 212303121204 in words is "two hundred twelve billion, three hundred three million, one hundred twenty-one thousand, two hundred four".