1220142011332 has 24 divisors (see below), whose sum is σ = 2219974454880. Its totient is φ = 586307768640.

The previous prime is 1220142011327. The next prime is 1220142011339. The reversal of 1220142011332 is 2331102410221.

It is not an unprimeable number, because it can be changed into a prime (1220142011339) 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, 55510582 + ... + 55532557.

It is an arithmetic number, because the mean of its divisors is an integer number (92498935620).

Almost surely, 2^{1220142011332} is an apocalyptic number.

It is an amenable number.

1220142011332 is a deficient number, since it is larger than the sum of its proper divisors (999832443548).

1220142011332 is a wasteful number, since it uses less digits than its factorization.

1220142011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111043251 (or 111043249 counting only the distinct ones).

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

Adding to 1220142011332 its reverse (2331102410221), we get a palindrome (3551244421553).

The spelling of 1220142011332 in words is "one trillion, two hundred twenty billion, one hundred forty-two million, eleven thousand, three hundred thirty-two".