213212112212203 has 16 divisors (see below), whose sum is σ = 246197158058880. Its totient is φ = 182889317385216.

The previous prime is 213212112212173. The next prime is 213212112212207. The reversal of 213212112212203 is 302212211212312.

It is not a de Polignac number, because 213212112212203 - 2⁹ = 213212112211691 is a prime.

It is a super-2 number, since 2×213212112212203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213212112212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6106062850 + ... + 6106097767.

It is an arithmetic number, because the mean of its divisors is an integer number (15387322378680).

Almost surely, 2^{213212112212203} is an apocalyptic number.

213212112212203 is a deficient number, since it is larger than the sum of its proper divisors (32985045846677).

213212112212203 is a wasteful number, since it uses less digits than its factorization.

213212112212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12212160726.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 213212112212203 its reverse (302212211212312), we get a palindrome (515424323424515).

The spelling of 213212112212203 in words is "two hundred thirteen trillion, two hundred twelve billion, one hundred twelve million, two hundred twelve thousand, two hundred three".