12250331500 has 48 divisors (see below), whose sum is σ = 29186984736. Its totient is φ = 4454664000.

The previous prime is 12250331479. The next prime is 12250331501. The reversal of 12250331500 is 513305221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12250331501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1108167 + ... + 1119166.

It is an arithmetic number, because the mean of its divisors is an integer number (608062182).

Almost surely, 2^12250331500 is an apocalyptic number.

12250331500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12250331500 is an abundant number, since it is smaller than the sum of its proper divisors (16936653236).

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

12250331500 is a wasteful number, since it uses less digits than its factorization.

12250331500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227363 (or 2227351 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 12250331500 its reverse (513305221), we get a palindrome (12763636721).

The spelling of 12250331500 in words is "twelve billion, two hundred fifty million, three hundred thirty-one thousand, five hundred".