1200222220022 has 32 divisors (see below), whose sum is σ = 2065244428800. Its totient is φ = 512454403008.

The previous prime is 1200222220007. The next prime is 1200222220073. The reversal of 1200222220022 is 2200222220021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3857129 + ... + 4156667.

It is an arithmetic number, because the mean of its divisors is an integer number (64538888400).

Almost surely, 2^{1200222220022} is an apocalyptic number.

1200222220022 is a deficient number, since it is larger than the sum of its proper divisors (865022208778).

1200222220022 is a wasteful number, since it uses less digits than its factorization.

1200222220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300620.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1200222220022 its reverse (2200222220021), we get a palindrome (3400444440043).

Subtracting 1200222220022 from its reverse (2200222220021), we obtain a palindrome (999999999999).

The spelling of 1200222220022 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".