212232033311 has 4 divisors (see below), whose sum is σ = 216236411352. Its totient is φ = 208227655272.

The previous prime is 212232033287. The next prime is 212232033317. The reversal of 212232033311 is 113330232212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212232033311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232033317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2002188941 + ... + 2002189046.

It is an arithmetic number, because the mean of its divisors is an integer number (54059102838).

Almost surely, 2^212232033311 is an apocalyptic number.

212232033311 is a deficient number, since it is larger than the sum of its proper divisors (4004378041).

212232033311 is an equidigital number, since it uses as much as digits as its factorization.

212232033311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004378040.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 212232033311 its reverse (113330232212), we get a palindrome (325562265523).

The spelling of 212232033311 in words is "two hundred twelve billion, two hundred thirty-two million, thirty-three thousand, three hundred eleven".