212133230242213 has 16 divisors (see below), whose sum is σ = 245359819506816. Its totient is φ = 179637117618240.

The previous prime is 212133230242189. The next prime is 212133230242229. The reversal of 212133230242213 is 312242032331212.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212133230242213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133230212213) 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, 219422103 + ... + 220386763.

It is an arithmetic number, because the mean of its divisors is an integer number (15334988719176).

Almost surely, 2^{212133230242213} is an apocalyptic number.

It is an amenable number.

212133230242213 is a deficient number, since it is larger than the sum of its proper divisors (33226589264603).

212133230242213 is an equidigital number, since it uses as much as digits as its factorization.

212133230242213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343244.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 212133230242213 its reverse (312242032331212), we get a palindrome (524375262573425).

The spelling of 212133230242213 in words is "two hundred twelve trillion, one hundred thirty-three billion, two hundred thirty million, two hundred forty-two thousand, two hundred thirteen".