1200144022055 has 32 divisors (see below), whose sum is σ = 1654159449600. Its totient is φ = 826707254400.

The previous prime is 1200144021971. The next prime is 1200144022061. The reversal of 1200144022055 is 5502204410021.

It is not a de Polignac number, because 1200144022055 - 2⁸ = 1200144021799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4595285 + ... + 4849425.

It is an arithmetic number, because the mean of its divisors is an integer number (51692482800).

Almost surely, 2^{1200144022055} is an apocalyptic number.

1200144022055 is a deficient number, since it is larger than the sum of its proper divisors (454015427545).

1200144022055 is a wasteful number, since it uses less digits than its factorization.

1200144022055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258695.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 1200144022055 its reverse (5502204410021), we get a palindrome (6702348432076).

The spelling of 1200144022055 in words is "one trillion, two hundred billion, one hundred forty-four million, twenty-two thousand, fifty-five".