1200222102220 has 12 divisors (see below), whose sum is σ = 2520466414704. Its totient is φ = 480088840880.

The previous prime is 1200222102197. The next prime is 1200222102241. The reversal of 1200222102220 is 222012220021.

It is a super-2 number, since 2×1200222102220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200222102194 and 1200222102203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30005552536 + ... + 30005552575.

It is an arithmetic number, because the mean of its divisors is an integer number (210038867892).

Almost surely, 2^{1200222102220} is an apocalyptic number.

1200222102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200222102220 is an abundant number, since it is smaller than the sum of its proper divisors (1320244312484).

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

1200222102220 is a wasteful number, since it uses less digits than its factorization.

1200222102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60011105120 (or 60011105118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1200222102220 its reverse (222012220021), we get a palindrome (1422234322241).

The spelling of 1200222102220 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred two thousand, two hundred twenty".