1200122210005 has 8 divisors (see below), whose sum is σ = 1457497816992. Its totient is φ = 948530324688.

The previous prime is 1200122209969. The next prime is 1200122210033. The reversal of 1200122210005 is 5000122210021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200122210005 - 2⁹ = 1200122209493 is a prime.

It is a Duffinian number.

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, 1445929959 + ... + 1445930788.

It is an arithmetic number, because the mean of its divisors is an integer number (182187227124).

Almost surely, 2^{1200122210005} is an apocalyptic number.

It is an amenable number.

1200122210005 is a deficient number, since it is larger than the sum of its proper divisors (257375606987).

1200122210005 is an equidigital number, since it uses as much as digits as its factorization.

1200122210005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891860835.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1200122210005 its sum of digits (16), we get a palindrome (1200122210021).

Adding to 1200122210005 its reverse (5000122210021), we get a palindrome (6200244420026).

The spelling of 1200122210005 in words is "one trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, five".