142311212 has 12 divisors (see below), whose sum is σ = 259872816. Its totient is φ = 68061840.

The previous prime is 142311203. The next prime is 142311259. The reversal of 142311212 is 212113241.

142311212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773339 + ... + 773522.

It is an arithmetic number, because the mean of its divisors is an integer number (21656068).

Almost surely, 2^142311212 is an apocalyptic number.

It is an amenable number.

142311212 is a deficient number, since it is larger than the sum of its proper divisors (117561604).

142311212 is a wasteful number, since it uses less digits than its factorization.

142311212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546888 (or 1546886 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 142311212 is about 11929.4263064072. The cubic root of 142311212 is about 522.0911992072.

Adding to 142311212 its reverse (212113241), we get a palindrome (354424453).

The spelling of 142311212 in words is "one hundred forty-two million, three hundred eleven thousand, two hundred twelve".