1200222199 has 4 divisors (see below), whose sum is σ = 1309333320. Its totient is φ = 1091111080.

The previous prime is 1200222187. The next prime is 1200222203. The reversal of 1200222199 is 9912220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9912220021 = 11 ⋅901110911.

It is a cyclic number.

It is not a de Polignac number, because 1200222199 - 2⁵ = 1200222167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200222109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54555544 + ... + 54555565.

It is an arithmetic number, because the mean of its divisors is an integer number (327333330).

Almost surely, 2^1200222199 is an apocalyptic number.

1200222199 is a deficient number, since it is larger than the sum of its proper divisors (109111121).

1200222199 is a wasteful number, since it uses less digits than its factorization.

1200222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109111120.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1200222199 is about 34644.2231692385. The cubic root of 1200222199 is about 1062.7241544879.

It can be divided in two parts, 120022 and 2199, that added together give a palindrome (122221).

The spelling of 1200222199 in words is "one billion, two hundred million, two hundred twenty-two thousand, one hundred ninety-nine".