1223122132212 has 24 divisors (see below), whose sum is σ = 2946014598912. Its totient is φ = 394555526400.

The previous prime is 1223122132157. The next prime is 1223122132217. The reversal of 1223122132212 is 2122312213221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223122132217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1643980989 + ... + 1643981732.

It is an arithmetic number, because the mean of its divisors is an integer number (122750608288).

Almost surely, 2^{1223122132212} is an apocalyptic number.

1223122132212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223122132212 is an abundant number, since it is smaller than the sum of its proper divisors (1722892466700).

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

1223122132212 is a wasteful number, since it uses less digits than its factorization.

1223122132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287962759 (or 3287962757 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 1223122132212 its reverse (2122312213221), we get a palindrome (3345434345433).

It can be divided in two parts, 122312213221 and 2, that multiplied together give a palindrome (244624426442).

The spelling of 1223122132212 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred thirty-two thousand, two hundred twelve".