12250130445 has 64 divisors (see below), whose sum is σ = 24913728000. Its totient is φ = 5594531328.

The previous prime is 12250130443. The next prime is 12250130447. The reversal of 12250130445 is 54403105221.

12250130445 is a `hidden beast` number, since 122 + 501 + 30 + 4 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (12250130443) and next prime (12250130447).

It is not a de Polignac number, because 12250130445 - 2¹ = 12250130443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250130443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1042161 + ... + 1053849.

It is an arithmetic number, because the mean of its divisors is an integer number (389277000).

Almost surely, 2^12250130445 is an apocalyptic number.

12250130445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12250130445 is an abundant number, since it is smaller than the sum of its proper divisors (12663597555).

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

12250130445 is a wasteful number, since it uses less digits than its factorization.

12250130445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819 (or 12813 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12250130445 its reverse (54403105221), we get a palindrome (66653235666).

The spelling of 12250130445 in words is "twelve billion, two hundred fifty million, one hundred thirty thousand, four hundred forty-five".