1232012240 has 40 divisors (see below), whose sum is σ = 2903680968. Its totient is φ = 486051840.

The previous prime is 1232012237. The next prime is 1232012263. The reversal of 1232012240 is 422102321.

It can be written as a sum of positive squares in 4 ways, for example, as 425679424 + 806332816 = 20632^2 + 28396^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99641 + ... + 111320.

Almost surely, 2^1232012240 is an apocalyptic number.

1232012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232012240 is an abundant number, since it is smaller than the sum of its proper divisors (1671668728).

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

1232012240 is a wasteful number, since it uses less digits than its factorization.

1232012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211047 (or 211041 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232012240 is about 35100.0319088174. The cubic root of 1232012240 is about 1072.0252323830.

Adding to 1232012240 its reverse (422102321), we get a palindrome (1654114561).

The spelling of 1232012240 in words is "one billion, two hundred thirty-two million, twelve thousand, two hundred forty".