122211133212 has 24 divisors (see below), whose sum is σ = 325896355456. Its totient is φ = 34917466608.

The previous prime is 122211133199. The next prime is 122211133223. The reversal of 122211133212 is 212331112221.

It is a super-2 number, since 2×122211133212² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 7 ways as a sum of consecutive naturals, for example, 727447138 + ... + 727447305.

Almost surely, 2^122211133212 is an apocalyptic number.

122211133212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122211133212 is an abundant number, since it is smaller than the sum of its proper divisors (203685222244).

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

122211133212 is a wasteful number, since it uses less digits than its factorization.

122211133212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454894457 (or 1454894455 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 122211133212 its reverse (212331112221), we get a palindrome (334542245433).

The spelling of 122211133212 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred thirty-three thousand, two hundred twelve".