12142131998 has 16 divisors (see below), whose sum is σ = 18604378944. Its totient is φ = 5940723360.

The previous prime is 12142131997. The next prime is 12142132019. The reversal of 12142131998 is 89913124121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12142131997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648488 + ... + 666948.

It is an arithmetic number, because the mean of its divisors is an integer number (1162773684).

Almost surely, 2^12142131998 is an apocalyptic number.

12142131998 is a deficient number, since it is larger than the sum of its proper divisors (6462246946).

12142131998 is a wasteful number, since it uses less digits than its factorization.

12142131998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25507.

The product of its digits is 31104, while the sum is 41.

The spelling of 12142131998 in words is "twelve billion, one hundred forty-two million, one hundred thirty-one thousand, nine hundred ninety-eight".