3452120021442 has 16 divisors (see below), whose sum is σ = 7021261061280. Its totient is φ = 1131203170752.

The previous prime is 3452120021437. The next prime is 3452120021461. The reversal of 3452120021442 is 2441200212543.

It is a happy 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, 4875875383 + ... + 4875876090.

It is an arithmetic number, because the mean of its divisors is an integer number (438828816330).

Almost surely, 2^{3452120021442} is an apocalyptic number.

3452120021442 is an abundant number, since it is smaller than the sum of its proper divisors (3569141039838).

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

3452120021442 is a wasteful number, since it uses less digits than its factorization.

3452120021442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9751751537.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 3452120021442 its reverse (2441200212543), we get a palindrome (5893320233985).

The spelling of 3452120021442 in words is "three trillion, four hundred fifty-two billion, one hundred twenty million, twenty-one thousand, four hundred forty-two".