12250442532 has 24 divisors (see below), whose sum is σ = 28655659872. Its totient is φ = 4073296000.

The previous prime is 12250442509. The next prime is 12250442621. The reversal of 12250442532 is 23524405221.

It is a self number, because there is not a number n which added to its sum of digits gives 12250442532.

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, 1268094 + ... + 1277717.

It is an arithmetic number, because the mean of its divisors is an integer number (1193985828).

Almost surely, 2^12250442532 is an apocalyptic number.

12250442532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12250442532 is an abundant number, since it is smaller than the sum of its proper divisors (16405217340).

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

12250442532 is a wasteful number, since it uses less digits than its factorization.

12250442532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546219 (or 2546217 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 12250442532 its reverse (23524405221), we get a palindrome (35774847753).

The spelling of 12250442532 in words is "twelve billion, two hundred fifty million, four hundred forty-two thousand, five hundred thirty-two".