281460121206 has 96 divisors (see below), whose sum is σ = 654293607552. Its totient is φ = 80033802240.

The previous prime is 281460121169. The next prime is 281460121213. The reversal of 281460121206 is 602121064182.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6406045 + ... + 6449831.

It is an arithmetic number, because the mean of its divisors is an integer number (6815558412).

Almost surely, 2^281460121206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281460121206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327146803776).

281460121206 is an abundant number, since it is smaller than the sum of its proper divisors (372833486346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

281460121206 is a wasteful number, since it uses less digits than its factorization.

281460121206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44174 (or 44157 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 281460121206 its reverse (602121064182), we get a palindrome (883581185388).

The spelling of 281460121206 in words is "two hundred eighty-one billion, four hundred sixty million, one hundred twenty-one thousand, two hundred six".