281010012213 has 8 divisors (see below), whose sum is σ = 428205732928. Its totient is φ = 160577149824.

The previous prime is 281010012167. The next prime is 281010012251. The reversal of 281010012213 is 312210010182.

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

It is not a de Polignac number, because 281010012213 - 2⁶ = 281010012149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 13381429153 = 281010012213 / (2 + 8 + 1 + 0 + 1 + 0 + 0 + 1 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 281010012213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281010012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6690714556 + ... + 6690714597.

It is an arithmetic number, because the mean of its divisors is an integer number (53525716616).

Almost surely, 2^281010012213 is an apocalyptic number.

It is an amenable number.

281010012213 is a deficient number, since it is larger than the sum of its proper divisors (147195720715).

281010012213 is a wasteful number, since it uses less digits than its factorization.

281010012213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381429163.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 281010012213 its reverse (312210010182), we get a palindrome (593220022395).

The spelling of 281010012213 in words is "two hundred eighty-one billion, ten million, twelve thousand, two hundred thirteen".