1200112022020 has 12 divisors (see below), whose sum is σ = 2520235246284. Its totient is φ = 480044808800.

The previous prime is 1200112021993. The next prime is 1200112022051. The reversal of 1200112022020 is 202202110021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 695009003584 + 505103018436 = 833672^2 + 710706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30002800531 + ... + 30002800570.

It is an arithmetic number, because the mean of its divisors is an integer number (210019603857).

Almost surely, 2^{1200112022020} is an apocalyptic number.

1200112022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200112022020 is an abundant number, since it is smaller than the sum of its proper divisors (1320123224264).

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

1200112022020 is a wasteful number, since it uses less digits than its factorization.

1200112022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60005601110 (or 60005601108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200112022020 its reverse (202202110021), we get a palindrome (1402314132041).

The spelling of 1200112022020 in words is "one trillion, two hundred billion, one hundred twelve million, twenty-two thousand, twenty".