281003102012 has 48 divisors (see below), whose sum is σ = 553737169440. Its totient is φ = 123985354752.

The previous prime is 281003102011. The next prime is 281003102047. The reversal of 281003102012 is 210201300182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281003102011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995783 + ... + 1246430.

It is an arithmetic number, because the mean of its divisors is an integer number (11536191030).

Almost surely, 2^281003102012 is an apocalyptic number.

It is an amenable number.

281003102012 is a deficient number, since it is larger than the sum of its proper divisors (272734067428).

281003102012 is a wasteful number, since it uses less digits than its factorization.

281003102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242350 (or 2242348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 281003102012 its reverse (210201300182), we get a palindrome (491204402194).

The spelling of 281003102012 in words is "two hundred eighty-one billion, three million, one hundred two thousand, twelve".