1201233000 has 256 divisors, whose sum is σ = 4144608000. Its totient is φ = 287232000.

The previous prime is 1201232959. The next prime is 1201233013. The reversal of 1201233000 is 3321021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2936796 + ... + 2937204.

It is an arithmetic number, because the mean of its divisors is an integer number (16189875).

Almost surely, 2^1201233000 is an apocalyptic number.

1201233000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201233000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2072304000).

1201233000 is an abundant number, since it is smaller than the sum of its proper divisors (2943375000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201233000 is a wasteful number, since it uses less digits than its factorization.

1201233000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1201233000 is about 34658.8084042138. The cubic root of 1201233000 is about 1063.0224051572.

Adding to 1201233000 its reverse (3321021), we get a palindrome (1204554021).

The spelling of 1201233000 in words is "one billion, two hundred one million, two hundred thirty-three thousand".