213222031204 has 48 divisors (see below), whose sum is σ = 459346873216. Its totient is φ = 84333312000.

The previous prime is 213222031189. The next prime is 213222031207. The reversal of 213222031204 is 402130222312.

It is not an unprimeable number, because it can be changed into a prime (213222031207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686559 + ... + 1808569.

Almost surely, 2^213222031204 is an apocalyptic number.

It is an amenable number.

213222031204 is an abundant number, since it is smaller than the sum of its proper divisors (246124842012).

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

213222031204 is a wasteful number, since it uses less digits than its factorization.

213222031204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126836 (or 126834 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213222031204 its reverse (402130222312), we get a palindrome (615352253516).

The spelling of 213222031204 in words is "two hundred thirteen billion, two hundred twenty-two million, thirty-one thousand, two hundred four".