12320202142 has 4 divisors (see below), whose sum is σ = 18480303216. Its totient is φ = 6160101070.

The previous prime is 12320202131. The next prime is 12320202151. The reversal of 12320202142 is 24120202321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080050534 + ... + 3080050537.

It is an arithmetic number, because the mean of its divisors is an integer number (4620075804).

Almost surely, 2^12320202142 is an apocalyptic number.

12320202142 is a deficient number, since it is larger than the sum of its proper divisors (6160101074).

12320202142 is an equidigital number, since it uses as much as digits as its factorization.

12320202142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160101073.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12320202142 its reverse (24120202321), we get a palindrome (36440404463).

The spelling of 12320202142 in words is "twelve billion, three hundred twenty million, two hundred two thousand, one hundred forty-two".