1200022022000 has 40 divisors (see below), whose sum is σ = 2901653254032. Its totient is φ = 480008808000.

The previous prime is 1200022021999. The next prime is 1200022022027. The reversal of 1200022022000 is 2202200021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300003506 + ... + 300007505.

Almost surely, 2^{1200022022000} is an apocalyptic number.

1200022022000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200022022000 is an abundant number, since it is smaller than the sum of its proper divisors (1701631232032).

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

1200022022000 is an equidigital number, since it uses as much as digits as its factorization.

1200022022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600011034 (or 600011018 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 1200022022000 its reverse (2202200021), we get a palindrome (1202224222021).

The spelling of 1200022022000 in words is "one trillion, two hundred billion, twenty-two million, twenty-two thousand".