12028881322 has 8 divisors (see below), whose sum is σ = 18043787556. Its totient is φ = 6014285472.

The previous prime is 12028881317. The next prime is 12028881353. The reversal of 12028881322 is 22318882021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11946271401 + 82609921 = 109299^2 + 9089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109998 + ... + 190150.

Almost surely, 2^12028881322 is an apocalyptic number.

12028881322 is a deficient number, since it is larger than the sum of its proper divisors (6014906234).

12028881322 is an equidigital number, since it uses as much as digits as its factorization.

12028881322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155192.

The product of its (nonzero) digits is 24576, while the sum is 37.

The spelling of 12028881322 in words is "twelve billion, twenty-eight million, eight hundred eighty-one thousand, three hundred twenty-two".