12312050240 has 56 divisors (see below), whose sum is σ = 33506371392. Its totient is φ = 4221273600.

The previous prime is 12312050197. The next prime is 12312050273. The reversal of 12312050240 is 4205021321.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×12312050240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2745986 + ... + 2750465.

Almost surely, 2^12312050240 is an apocalyptic number.

12312050240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12312050240 is an abundant number, since it is smaller than the sum of its proper divisors (21194321152).

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

12312050240 is an equidigital number, since it uses as much as digits as its factorization.

12312050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496475 (or 5496465 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12312050240 its reverse (4205021321), we get a palindrome (16517071561).

The spelling of 12312050240 in words is "twelve billion, three hundred twelve million, fifty thousand, two hundred forty".