1223122120132 has 24 divisors (see below), whose sum is σ = 2457948759840. Its totient is φ = 526703304960.

The previous prime is 1223122120111. The next prime is 1223122120133. The reversal of 1223122120132 is 2310212213221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1223122120133) 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, 731531533 + ... + 731533204.

It is an arithmetic number, because the mean of its divisors is an integer number (102414531660).

Almost surely, 2^{1223122120132} is an apocalyptic number.

It is an amenable number.

1223122120132 is an abundant number, since it is smaller than the sum of its proper divisors (1234826639708).

1223122120132 is a wasteful number, since it uses less digits than its factorization.

1223122120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463064771 (or 1463064769 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1223122120132 its reverse (2310212213221), we get a palindrome (3533334333353).

The spelling of 1223122120132 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-two million, one hundred twenty thousand, one hundred thirty-two".