12042143012 has 12 divisors (see below), whose sum is σ = 21075509616. Its totient is φ = 6020568840.

The previous prime is 12042143011. The next prime is 12042143027. The reversal of 12042143012 is 21034124021.

It is a super-3 number, since 3×12042143012³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12042143011) 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, 68918 + ... + 169805.

It is an arithmetic number, because the mean of its divisors is an integer number (1756292468).

Almost surely, 2^12042143012 is an apocalyptic number.

It is an amenable number.

12042143012 is a deficient number, since it is larger than the sum of its proper divisors (9033366604).

12042143012 is a wasteful number, since it uses less digits than its factorization.

12042143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251338 (or 251336 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12042143012 its reverse (21034124021), we get a palindrome (33076267033).

The spelling of 12042143012 in words is "twelve billion, forty-two million, one hundred forty-three thousand, twelve".