12120201342 has 16 divisors (see below), whose sum is σ = 26933780880. Its totient is φ = 4040067096.

The previous prime is 12120201337. The next prime is 12120201349. The reversal of 12120201342 is 24310202121.

It is a happy number.

12120201342 is a `hidden beast` number, since 1 + 2 + 120 + 201 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120201349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112224033 + ... + 112224140.

It is an arithmetic number, because the mean of its divisors is an integer number (1683361305).

Almost surely, 2^12120201342 is an apocalyptic number.

12120201342 is an abundant number, since it is smaller than the sum of its proper divisors (14813579538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12120201342 is a wasteful number, since it uses less digits than its factorization.

12120201342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224448184 (or 224448178 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12120201342 its reverse (24310202121), we get a palindrome (36430403463).

The spelling of 12120201342 in words is "twelve billion, one hundred twenty million, two hundred one thousand, three hundred forty-two".