1200343452 has 96 divisors (see below), whose sum is σ = 3573233664. Its totient is φ = 304516800.

The previous prime is 1200343451. The next prime is 1200343483. The reversal of 1200343452 is 2543430021.

1200343452 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200343451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24627 + ... + 54837.

It is an arithmetic number, because the mean of its divisors is an integer number (37221184).

Almost surely, 2^1200343452 is an apocalyptic number.

1200343452 is a gapful number since it is divisible by the number (12) 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 1200343452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1786616832).

1200343452 is an abundant number, since it is smaller than the sum of its proper divisors (2372890212).

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

1200343452 is a wasteful number, since it uses less digits than its factorization.

1200343452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30279 (or 30277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1200343452 is about 34645.9730993372. The cubic root of 1200343452 is about 1062.7599406817.

Adding to 1200343452 its reverse (2543430021), we get a palindrome (3743773473).

It can be divided in two parts, 12003 and 43452, that added together give a palindrome (55455).

The spelling of 1200343452 in words is "one billion, two hundred million, three hundred forty-three thousand, four hundred fifty-two".