12220032320142 has 32 divisors (see below), whose sum is σ = 24496833110400. Its totient is φ = 4063891276128.

The previous prime is 12220032320141. The next prime is 12220032320147. The reversal of 12220032320142 is 24102323002221.

12220032320142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220032320141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4630584 + ... + 6773652.

It is an arithmetic number, because the mean of its divisors is an integer number (765526034700).

Almost surely, 2^{12220032320142} is an apocalyptic number.

12220032320142 is an abundant number, since it is smaller than the sum of its proper divisors (12276800790258).

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

12220032320142 is a wasteful number, since it uses less digits than its factorization.

12220032320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145280.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12220032320142 its reverse (24102323002221), we get a palindrome (36322355322363).

The spelling of 12220032320142 in words is "twelve trillion, two hundred twenty billion, thirty-two million, three hundred twenty thousand, one hundred forty-two".