201142343212 has 24 divisors (see below), whose sum is σ = 353634507072. Its totient is φ = 100104326400.

The previous prime is 201142343209. The next prime is 201142343219. The reversal of 201142343212 is 212343241102.

201142343212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201142343219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1938162 + ... + 2039302.

It is an arithmetic number, because the mean of its divisors is an integer number (14734771128).

Almost surely, 2^201142343212 is an apocalyptic number.

It is an amenable number.

201142343212 is a deficient number, since it is larger than the sum of its proper divisors (152492163860).

201142343212 is a wasteful number, since it uses less digits than its factorization.

201142343212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103449 (or 103447 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201142343212 its reverse (212343241102), we get a palindrome (413485584314).

The spelling of 201142343212 in words is "two hundred one billion, one hundred forty-two million, three hundred forty-three thousand, two hundred twelve".