12143203012 has 48 divisors (see below), whose sum is σ = 23316879040. Its totient is φ = 5512966272.

The previous prime is 12143202979. The next prime is 12143203021. The reversal of 12143203012 is 21030234121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156178 + ... + 220630.

Almost surely, 2^12143203012 is an apocalyptic number.

It is an amenable number.

12143203012 is a deficient number, since it is larger than the sum of its proper divisors (11173676028).

12143203012 is a wasteful number, since it uses less digits than its factorization.

12143203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64580 (or 64578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12143203012 its reverse (21030234121), we get a palindrome (33173437133).

The spelling of 12143203012 in words is "twelve billion, one hundred forty-three million, two hundred three thousand, twelve".