1200022122110 has 32 divisors (see below), whose sum is σ = 2518996881600. Its totient is φ = 411436154976.

The previous prime is 1200022122109. The next prime is 1200022122151. The reversal of 1200022122110 is 112212200021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174926909 + ... + 174933768.

It is an arithmetic number, because the mean of its divisors is an integer number (78718652550).

Almost surely, 2^{1200022122110} is an apocalyptic number.

1200022122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200022122110 is an abundant number, since it is smaller than the sum of its proper divisors (1318974759490).

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

1200022122110 is an equidigital number, since it uses as much as digits as its factorization.

1200022122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349860705 (or 349860691 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200022122110 its reverse (112212200021), we get a palindrome (1312234322131).

The spelling of 1200022122110 in words is "one trillion, two hundred billion, twenty-two million, one hundred twenty-two thousand, one hundred ten".