1200213232 has 40 divisors (see below), whose sum is σ = 2442700800. Its totient is φ = 570187200.

The previous prime is 1200213191. The next prime is 1200213233. The reversal of 1200213232 is 2323120021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200213233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44769 + ... + 66367.

It is an arithmetic number, because the mean of its divisors is an integer number (61067520).

Almost surely, 2^1200213232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200213232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221350400).

1200213232 is an abundant number, since it is smaller than the sum of its proper divisors (1242487568).

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

1200213232 is a wasteful number, since it uses less digits than its factorization.

1200213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21781 (or 21775 counting only the distinct ones).

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

The square root of 1200213232 is about 34644.0937534813. The cubic root of 1200213232 is about 1062.7215079026.

Adding to 1200213232 its reverse (2323120021), we get a palindrome (3523333253).

The spelling of 1200213232 in words is "one billion, two hundred million, two hundred thirteen thousand, two hundred thirty-two".