1200220231 has 16 divisors (see below), whose sum is σ = 1390305280. Its totient is φ = 1014884640.

The previous prime is 1200220223. The next prime is 1200220243. The reversal of 1200220231 is 1320220021.

It is not a de Polignac number, because 1200220231 - 2³ = 1200220223 is a prime.

It is a super-3 number, since 3×1200220231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200220261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157180 + ... + 164638.

It is an arithmetic number, because the mean of its divisors is an integer number (86894080).

Almost surely, 2^1200220231 is an apocalyptic number.

1200220231 is a deficient number, since it is larger than the sum of its proper divisors (190085049).

1200220231 is a wasteful number, since it uses less digits than its factorization.

1200220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1200220231 is about 34644.1947662231. The cubic root of 1200220231 is about 1062.7235736393.

Adding to 1200220231 its reverse (1320220021), we get a palindrome (2520440252).

The spelling of 1200220231 in words is "one billion, two hundred million, two hundred twenty thousand, two hundred thirty-one".