321132112010 has 16 divisors (see below), whose sum is σ = 583996955976. Its totient is φ = 127128588288.

The previous prime is 321132111991. The next prime is 321132112013. The reversal of 321132112010 is 10211231123.

It can be written as a sum of positive squares in 4 ways, for example, as 313757939881 + 7374172129 = 560141^2 + 85873^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321132112010.

It is not an unprimeable number, because it can be changed into a prime (321132112013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165531047 + ... + 165532986.

Almost surely, 2^321132112010 is an apocalyptic number.

321132112010 is a deficient number, since it is larger than the sum of its proper divisors (262864843966).

321132112010 is a wasteful number, since it uses less digits than its factorization.

321132112010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331064137.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 321132112010 its reverse (10211231123), we get a palindrome (331343343133).

The spelling of 321132112010 in words is "three hundred twenty-one billion, one hundred thirty-two million, one hundred twelve thousand, ten".