12142124455 has 16 divisors (see below), whose sum is σ = 15430266720. Its totient is φ = 9140749312.

The previous prime is 12142124453. The next prime is 12142124459. The reversal of 12142124455 is 55442124121.

It is not a de Polignac number, because 12142124455 - 2¹ = 12142124453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142124453) 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, 836772 + ... + 851158.

It is an arithmetic number, because the mean of its divisors is an integer number (964391670).

Almost surely, 2^12142124455 is an apocalyptic number.

12142124455 is a deficient number, since it is larger than the sum of its proper divisors (3288142265).

12142124455 is a wasteful number, since it uses less digits than its factorization.

12142124455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24338.

The product of its digits is 12800, while the sum is 31.

Adding to 12142124455 its reverse (55442124121), we get a palindrome (67584248576).

The spelling of 12142124455 in words is "twelve billion, one hundred forty-two million, one hundred twenty-four thousand, four hundred fifty-five".