1200022120110 has 32 divisors (see below), whose sum is σ = 3141876097152. Its totient is φ = 290914453280.

The previous prime is 1200022120061. The next prime is 1200022120127. The reversal of 1200022120110 is 110212200021.

It is a Curzon number.

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, 1818215004 + ... + 1818215663.

It is an arithmetic number, because the mean of its divisors is an integer number (98183628036).

Almost surely, 2^{1200022120110} is an apocalyptic number.

1200022120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200022120110 is an abundant number, since it is smaller than the sum of its proper divisors (1941853977042).

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

1200022120110 is a wasteful number, since it uses less digits than its factorization.

1200022120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636430688.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1200022120110 its reverse (110212200021), we get a palindrome (1310234320131).

The spelling of 1200022120110 in words is "one trillion, two hundred billion, twenty-two million, one hundred twenty thousand, one hundred ten".