12220143142 has 8 divisors (see below), whose sum is σ = 18331970832. Its totient is φ = 6109486200.

The previous prime is 12220143127. The next prime is 12220143191. The reversal of 12220143142 is 24134102221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266109 + ... + 308632.

It is an arithmetic number, because the mean of its divisors is an integer number (2291496354).

Almost surely, 2^12220143142 is an apocalyptic number.

12220143142 is a deficient number, since it is larger than the sum of its proper divisors (6111827690).

12220143142 is a wasteful number, since it uses less digits than its factorization.

12220143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585374.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12220143142 its reverse (24134102221), we get a palindrome (36354245363).

The spelling of 12220143142 in words is "twelve billion, two hundred twenty million, one hundred forty-three thousand, one hundred forty-two".