1200122323110 has 64 divisors (see below), whose sum is σ = 3220710552000. Its totient is φ = 317994183936.

The previous prime is 1200122323063. The next prime is 1200122323117. The reversal of 1200122323110 is 113232210021.

1200122323110 is a `hidden beast` number, since 1 + 200 + 1 + 223 + 231 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200122323117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14113335 + ... + 14198114.

It is an arithmetic number, because the mean of its divisors is an integer number (50323602375).

Almost surely, 2^{1200122323110} is an apocalyptic number.

1200122323110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200122323110 is an abundant number, since it is smaller than the sum of its proper divisors (2020588228890).

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

1200122323110 is a wasteful number, since it uses less digits than its factorization.

1200122323110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28311622 (or 28311616 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1200122323110 its reverse (113232210021), we get a palindrome (1313354533131).

The spelling of 1200122323110 in words is "one trillion, two hundred billion, one hundred twenty-two million, three hundred twenty-three thousand, one hundred ten".