1220323033132 has 24 divisors (see below), whose sum is σ = 2444383692576. Its totient is φ = 522194665728.

The previous prime is 1220323033099. The next prime is 1220323033207. The reversal of 1220323033132 is 2313303230221.

It is a junction number, because it is equal to n+sod(n) for n = 1220323033097 and 1220323033106.

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, 33353053 + ... + 33389620.

It is an arithmetic number, because the mean of its divisors is an integer number (101849320524).

Almost surely, 2^{1220323033132} is an apocalyptic number.

It is an amenable number.

1220323033132 is an abundant number, since it is smaller than the sum of its proper divisors (1224060659444).

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

1220323033132 is a wasteful number, since it uses less digits than its factorization.

1220323033132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66743337 (or 66743335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 1220323033132 its reverse (2313303230221), we get a palindrome (3533626263353).

The spelling of 1220323033132 in words is "one trillion, two hundred twenty billion, three hundred twenty-three million, thirty-three thousand, one hundred thirty-two".