212211311234 has 8 divisors (see below), whose sum is σ = 342802887420. Its totient is φ = 97943682096.

The previous prime is 212211311233. The next prime is 212211311237. The reversal of 212211311234 is 432113112212.

It can be written as a sum of positive squares in 2 ways, for example, as 207022270009 + 5189041225 = 454997^2 + 72035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212211311234² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212211311233) 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, 4080986729 + ... + 4080986780.

Almost surely, 2^212211311234 is an apocalyptic number.

212211311234 is a deficient number, since it is larger than the sum of its proper divisors (130591576186).

212211311234 is a wasteful number, since it uses less digits than its factorization.

212211311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161973524.

The product of its digits is 576, while the sum is 23.

Adding to 212211311234 its reverse (432113112212), we get a palindrome (644324423446).

The spelling of 212211311234 in words is "two hundred twelve billion, two hundred eleven million, three hundred eleven thousand, two hundred thirty-four".