12140422450 has 96 divisors (see below), whose sum is σ = 24725042496. Its totient is φ = 4408162560.

The previous prime is 12140422447. The next prime is 12140422451. The reversal of 12140422450 is 5422404121.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (12140422451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16562284 + ... + 16563016.

It is an arithmetic number, because the mean of its divisors is an integer number (257552526).

Almost surely, 2^12140422450 is an apocalyptic number.

12140422450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12140422450 is an abundant number, since it is smaller than the sum of its proper divisors (12584620046).

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

12140422450 is a wasteful number, since it uses less digits than its factorization.

12140422450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12140422450 its reverse (5422404121), we get a palindrome (17562826571).

The spelling of 12140422450 in words is "twelve billion, one hundred forty million, four hundred twenty-two thousand, four hundred fifty".