1200223213 has 16 divisors (see below), whose sum is σ = 1400820480. Its totient is φ = 1007001216.

The previous prime is 1200223201. The next prime is 1200223223. The reversal of 1200223213 is 3123220021.

It is a cyclic number.

It is not a de Polignac number, because 1200223213 - 2²⁵ = 1166668781 is a prime.

It is a super-2 number, since 2×1200223213² = 2881071522048086738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200223223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166008 + ... + 173086.

It is an arithmetic number, because the mean of its divisors is an integer number (87551280).

Almost surely, 2^1200223213 is an apocalyptic number.

It is an amenable number.

1200223213 is a deficient number, since it is larger than the sum of its proper divisors (200597267).

1200223213 is an equidigital number, since it uses as much as digits as its factorization.

1200223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200223213 is about 34644.2378037099. The cubic root of 1200223213 is about 1062.7244537664.

Adding to 1200223213 its reverse (3123220021), we get a palindrome (4323443234).

The spelling of 1200223213 in words is "one billion, two hundred million, two hundred twenty-three thousand, two hundred thirteen".