12302133240 has 32 divisors (see below), whose sum is σ = 36906400080. Its totient is φ = 3280568832.

The previous prime is 12302133227. The next prime is 12302133287. The reversal of 12302133240 is 4233120321.

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, 51258769 + ... + 51259008.

Almost surely, 2^12302133240 is an apocalyptic number.

12302133240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12302133240 is an abundant number, since it is smaller than the sum of its proper divisors (24604266840).

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

12302133240 is a wasteful number, since it uses less digits than its factorization.

12302133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102517791 (or 102517787 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12302133240 its reverse (4233120321), we get a palindrome (16535253561).

The spelling of 12302133240 in words is "twelve billion, three hundred two million, one hundred thirty-three thousand, two hundred forty".