12012102142 has 8 divisors (see below), whose sum is σ = 18025727832. Its totient is φ = 6003526200.

The previous prime is 12012102101. The next prime is 12012102143. The reversal of 12012102142 is 24120121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012102143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256484 + ... + 1266007.

It is an arithmetic number, because the mean of its divisors is an integer number (2253215979).

Almost surely, 2^12012102142 is an apocalyptic number.

12012102142 is a deficient number, since it is larger than the sum of its proper divisors (6013625690).

12012102142 is a wasteful number, since it uses less digits than its factorization.

12012102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524874.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12012102142 its reverse (24120121021), we get a palindrome (36132223163).

The spelling of 12012102142 in words is "twelve billion, twelve million, one hundred two thousand, one hundred forty-two".