1200130032 has 80 divisors (see below), whose sum is σ = 3210905600. Its totient is φ = 385862400.

The previous prime is 1200130021. The next prime is 1200130049. The reversal of 1200130032 is 2300310021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518157 + ... + 520467.

It is an arithmetic number, because the mean of its divisors is an integer number (40136320).

Almost surely, 2^1200130032 is an apocalyptic number.

1200130032 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 1200130032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605452800).

1200130032 is an abundant number, since it is smaller than the sum of its proper divisors (2010775568).

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

1200130032 is a wasteful number, since it uses less digits than its factorization.

1200130032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2696 counting only the distinct ones).

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

The square root of 1200130032 is about 34642.8929507915. The cubic root of 1200130032 is about 1062.6969510238.

Adding to 1200130032 its reverse (2300310021), we get a palindrome (3500440053).

The spelling of 1200130032 in words is "one billion, two hundred million, one hundred thirty thousand, thirty-two".