1211323233222 has 48 divisors (see below), whose sum is σ = 2669808660480. Its totient is φ = 396813087216.

The previous prime is 1211323233187. The next prime is 1211323233247. The reversal of 1211323233222 is 2223323231121.

1211323233222 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 323 + 2 + 332 + 2 + 2 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450843 + ... + 3785625.

It is an arithmetic number, because the mean of its divisors is an integer number (55621013760).

Almost surely, 2^{1211323233222} is an apocalyptic number.

1211323233222 is an abundant number, since it is smaller than the sum of its proper divisors (1458485427258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211323233222 is a wasteful number, since it uses less digits than its factorization.

1211323233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338257 (or 338254 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1211323233222 its reverse (2223323231121), we get a palindrome (3434646464343).

The spelling of 1211323233222 in words is "one trillion, two hundred eleven billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-two".