12142310422146 has 16 divisors (see below), whose sum is σ = 24284676667104. Its totient is φ = 4047427503584.

The previous prime is 12142310422103. The next prime is 12142310422147. The reversal of 12142310422146 is 64122401324121.

It is not an unprimeable number, because it can be changed into a prime (12142310422147) 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, 831445 + ... + 4997591.

It is an arithmetic number, because the mean of its divisors is an integer number (1517792291694).

Almost surely, 2^{12142310422146} is an apocalyptic number.

12142310422146 is an abundant number, since it is smaller than the sum of its proper divisors (12142366244958).

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

12142310422146 is a wasteful number, since it uses less digits than its factorization.

12142310422146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651905.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 12142310422146 its reverse (64122401324121), we get a palindrome (76264711746267).

The spelling of 12142310422146 in words is "twelve trillion, one hundred forty-two billion, three hundred ten million, four hundred twenty-two thousand, one hundred forty-six".