12512012052442 has 32 divisors (see below), whose sum is σ = 21721938001920. Its totient is φ = 5294105172720.

The previous prime is 12512012052361. The next prime is 12512012052457. The reversal of 12512012052442 is 24425021021521.

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, 19174567 + ... + 19816357.

It is an arithmetic number, because the mean of its divisors is an integer number (678810562560).

Almost surely, 2^{12512012052442} is an apocalyptic number.

12512012052442 is a deficient number, since it is larger than the sum of its proper divisors (9209925949478).

12512012052442 is a wasteful number, since it uses less digits than its factorization.

12512012052442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659506.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 12512012052442 its reverse (24425021021521), we get a palindrome (36937033073963).

The spelling of 12512012052442 in words is "twelve trillion, five hundred twelve billion, twelve million, fifty-two thousand, four hundred forty-two".