213212404203 has 16 divisors (see below), whose sum is σ = 292514854176. Its totient is φ = 138078886400.

The previous prime is 213212404189. The next prime is 213212404211. The reversal of 213212404203 is 302404212312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213212404203 - 2²⁵ = 213178849771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213212404003) 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, 6622350 + ... + 6654467.

It is an arithmetic number, because the mean of its divisors is an integer number (18282178386).

Almost surely, 2^213212404203 is an apocalyptic number.

213212404203 is a deficient number, since it is larger than the sum of its proper divisors (79302449973).

213212404203 is a wasteful number, since it uses less digits than its factorization.

213212404203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13276974.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213212404203 its reverse (302404212312), we get a palindrome (515616616515).

The spelling of 213212404203 in words is "two hundred thirteen billion, two hundred twelve million, four hundred four thousand, two hundred three".