1200022011222 has 32 divisors (see below), whose sum is σ = 2463630349824. Its totient is φ = 389449684800.

The previous prime is 1200022011217. The next prime is 1200022011281. The reversal of 1200022011222 is 2221102200021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4888554 + ... + 5128157.

It is an arithmetic number, because the mean of its divisors is an integer number (76988448432).

Almost surely, 2^{1200022011222} is an apocalyptic number.

1200022011222 is an abundant number, since it is smaller than the sum of its proper divisors (1263608338602).

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

1200022011222 is a wasteful number, since it uses less digits than its factorization.

1200022011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10017244.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200022011222 its reverse (2221102200021), we get a palindrome (3421124211243).

The spelling of 1200022011222 in words is "one trillion, two hundred billion, twenty-two million, eleven thousand, two hundred twenty-two".