12512273042 has 8 divisors (see below), whose sum is σ = 19204884336. Its totient is φ = 6110644932.

The previous prime is 12512273023. The next prime is 12512273047. The reversal of 12512273042 is 24037221521.

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

It is a junction number, because it is equal to n+sod(n) for n = 12512272996 and 12512273014.

It is not an unprimeable number, because it can be changed into a prime (12512273047) 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, 72745688 + ... + 72745859.

It is an arithmetic number, because the mean of its divisors is an integer number (2400610542).

Almost surely, 2^12512273042 is an apocalyptic number.

12512273042 is a deficient number, since it is larger than the sum of its proper divisors (6692611294).

12512273042 is a wasteful number, since it uses less digits than its factorization.

12512273042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145491592.

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 12512273042 its reverse (24037221521), we get a palindrome (36549494563).

The spelling of 12512273042 in words is "twelve billion, five hundred twelve million, two hundred seventy-three thousand, forty-two".