322635261012 has 48 divisors (see below), whose sum is σ = 812634560640. Its totient is φ = 99321996928.

The previous prime is 322635261001. The next prime is 322635261029. The reversal of 322635261012 is 210162536223.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 20146623 + ... + 20162630.

It is an arithmetic number, because the mean of its divisors is an integer number (16929886680).

Almost surely, 2^322635261012 is an apocalyptic number.

It is an amenable number.

322635261012 is an abundant number, since it is smaller than the sum of its proper divisors (489999299628).

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

322635261012 is a wasteful number, since it uses less digits than its factorization.

322635261012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40309312 (or 40309310 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 322635261012 its reverse (210162536223), we get a palindrome (532797797235).

The spelling of 322635261012 in words is "three hundred twenty-two billion, six hundred thirty-five million, two hundred sixty-one thousand, twelve".