12032213122 has 4 divisors (see below), whose sum is σ = 18048319686. Its totient is φ = 6016106560.

The previous prime is 12032213111. The next prime is 12032213153. The reversal of 12032213122 is 22131223021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11979083601 + 53129521 = 109449^2 + 7289^2 .

It is a super-2 number, since 2×12032213122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12032213122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3008053279 + ... + 3008053282.

Almost surely, 2^12032213122 is an apocalyptic number.

12032213122 is a deficient number, since it is larger than the sum of its proper divisors (6016106564).

12032213122 is an equidigital number, since it uses as much as digits as its factorization.

12032213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016106563.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12032213122 its reverse (22131223021), we get a palindrome (34163436143).

The spelling of 12032213122 in words is "twelve billion, thirty-two million, two hundred thirteen thousand, one hundred twenty-two".