1200222222022 has 4 divisors (see below), whose sum is σ = 1800333333036. Its totient is φ = 600111111010.

The previous prime is 1200222222011. The next prime is 1200222222047. The reversal of 1200222222022 is 2202222220021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300055555504 + ... + 300055555507.

It is an arithmetic number, because the mean of its divisors is an integer number (450083333259).

Almost surely, 2^{1200222222022} is an apocalyptic number.

1200222222022 is a deficient number, since it is larger than the sum of its proper divisors (600111111014).

1200222222022 is an equidigital number, since it uses as much as digits as its factorization.

1200222222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600111111013.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 1200222222022 its reverse (2202222220021), we get a palindrome (3402444442043).

The spelling of 1200222222022 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".