1200220099 has 8 divisors (see below), whose sum is σ = 1292980640. Its totient is φ = 1107521856.

The previous prime is 1200220081. The next prime is 1200220157. The reversal of 1200220099 is 9900220021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200220099 - 2²³ = 1191831491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200220039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29239 + ... + 57055.

It is an arithmetic number, because the mean of its divisors is an integer number (161622580).

Almost surely, 2^1200220099 is an apocalyptic number.

1200220099 is a deficient number, since it is larger than the sum of its proper divisors (92760541).

1200220099 is a wasteful number, since it uses less digits than its factorization.

1200220099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31149.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1200220099 is about 34644.1928611420. The cubic root of 1200220099 is about 1062.7235346799.

The spelling of 1200220099 in words is "one billion, two hundred million, two hundred twenty thousand, ninety-nine".