1201012233 has 4 divisors (see below), whose sum is σ = 1601349648. Its totient is φ = 800674820.

The previous prime is 1201012223. The next prime is 1201012237. The reversal of 1201012233 is 3322101021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201012233 - 2¹⁶ = 1200946697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201012237) 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 3 ways as a sum of consecutive naturals, for example, 200168703 + ... + 200168708.

It is an arithmetic number, because the mean of its divisors is an integer number (400337412).

Almost surely, 2^1201012233 is an apocalyptic number.

It is an amenable number.

1201012233 is a deficient number, since it is larger than the sum of its proper divisors (400337415).

1201012233 is an equidigital number, since it uses as much as digits as its factorization.

1201012233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400337414.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1201012233 is about 34655.6233964994. The cubic root of 1201012233 is about 1062.9572791171.

Adding to 1201012233 its reverse (3322101021), we get a palindrome (4523113254).

The spelling of 1201012233 in words is "one billion, two hundred one million, twelve thousand, two hundred thirty-three".