142331204243212 has 24 divisors (see below), whose sum is σ = 249104000527200. Its totient is φ = 71158633088256.

The previous prime is 142331204243203. The next prime is 142331204243269. The reversal of 142331204243212 is 212342402133241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689578489 + ... + 2689631407.

It is an arithmetic number, because the mean of its divisors is an integer number (10379333355300).

Almost surely, 2^{142331204243212} is an apocalyptic number.

It is an amenable number.

142331204243212 is a deficient number, since it is larger than the sum of its proper divisors (106772796283988).

142331204243212 is a wasteful number, since it uses less digits than its factorization.

142331204243212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106065 (or 106063 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 142331204243212 its reverse (212342402133241), we get a palindrome (354673606376453).

The spelling of 142331204243212 in words is "one hundred forty-two trillion, three hundred thirty-one billion, two hundred four million, two hundred forty-three thousand, two hundred twelve".