1222232212212 has 24 divisors (see below), whose sum is σ = 3111136540512. Its totient is φ = 370373397600.

The previous prime is 1222232212207. The next prime is 1222232212259. The reversal of 1222232212212 is 2122122322221.

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, 4629667339 + ... + 4629667602.

It is an arithmetic number, because the mean of its divisors is an integer number (129630689188).

Almost surely, 2^{1222232212212} is an apocalyptic number.

1222232212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222232212212 is an abundant number, since it is smaller than the sum of its proper divisors (1888904328300).

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

1222232212212 is a wasteful number, since it uses less digits than its factorization.

1222232212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259334959 (or 9259334957 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

Adding to 1222232212212 its reverse (2122122322221), we get a palindrome (3344354534433).

The spelling of 1222232212212 in words is "one trillion, two hundred twenty-two billion, two hundred thirty-two million, two hundred twelve thousand, two hundred twelve".