1223322123132 has 36 divisors (see below), whose sum is σ = 3192037657536. Its totient is φ = 394620039360.

The previous prime is 1223322123061. The next prime is 1223322123137. The reversal of 1223322123132 is 2313212233221.

1223322123132 is a `hidden beast` number, since 1 + 2 + 2 + 332 + 2 + 12 + 313 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1223322123096 and 1223322123105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322123137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548082273 + ... + 548084504.

Almost surely, 2^{1223322123132} is an apocalyptic number.

1223322123132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1223322123132 is an abundant number, since it is smaller than the sum of its proper divisors (1968715534404).

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

1223322123132 is a wasteful number, since it uses less digits than its factorization.

1223322123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096166818 (or 1096166813 counting only the distinct ones).

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

Adding to 1223322123132 its reverse (2313212233221), we get a palindrome (3536534356353).

The spelling of 1223322123132 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-three thousand, one hundred thirty-two".