1220322151132 has 24 divisors (see below), whose sum is σ = 2455617589376. Its totient is φ = 519786646128.

The previous prime is 1220322151129. The next prime is 1220322151171. The reversal of 1220322151132 is 2311512230221.

It is a junction number, because it is equal to n+sod(n) for n = 1220322151097 and 1220322151106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133685418 + ... + 133694545.

Almost surely, 2^{1220322151132} is an apocalyptic number.

It is an amenable number.

1220322151132 is an abundant number, since it is smaller than the sum of its proper divisors (1235295438244).

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

1220322151132 is a wasteful number, since it uses less digits than its factorization.

1220322151132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267380137 (or 267380135 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1220322151132 its reverse (2311512230221), we get a palindrome (3531834381353).

The spelling of 1220322151132 in words is "one trillion, two hundred twenty billion, three hundred twenty-two million, one hundred fifty-one thousand, one hundred thirty-two".