1212200233 has 8 divisors (see below), whose sum is σ = 1218139776. Its totient is φ = 1206270000.

The previous prime is 1212200201. The next prime is 1212200237. The reversal of 1212200233 is 3320022121.

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 1212200233 - 2⁵ = 1212200201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212200237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516643 + ... + 518983.

It is an arithmetic number, because the mean of its divisors is an integer number (152267472).

Almost surely, 2^1212200233 is an apocalyptic number.

It is an amenable number.

1212200233 is a deficient number, since it is larger than the sum of its proper divisors (5939543).

1212200233 is a wasteful number, since it uses less digits than its factorization.

1212200233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655.

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

The square root of 1212200233 is about 34816.6660236158. Note that the first 3 decimals coincide. The cubic root of 1212200233 is about 1066.2477336085.

Adding to 1212200233 its reverse (3320022121), we get a palindrome (4532222354).

The spelling of 1212200233 in words is "one billion, two hundred twelve million, two hundred thousand, two hundred thirty-three".