1200100222270 has 16 divisors (see below), whose sum is σ = 2160200495520. Its totient is φ = 480035623264.

The previous prime is 1200100222171. The next prime is 1200100222271. The reversal of 1200100222270 is 722220010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200100222271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707076 + ... + 1702984.

It is an arithmetic number, because the mean of its divisors is an integer number (135012530970).

Almost surely, 2^{1200100222270} is an apocalyptic number.

1200100222270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200100222270 is a deficient number, since it is larger than the sum of its proper divisors (960100273250).

1200100222270 is a wasteful number, since it uses less digits than its factorization.

1200100222270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116419.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 1200100222270 its reverse (722220010021), we get a palindrome (1922320232291).

The spelling of 1200100222270 in words is "one trillion, two hundred billion, one hundred million, two hundred twenty-two thousand, two hundred seventy".