321212303032 has 32 divisors (see below), whose sum is σ = 608625738000. Its totient is φ = 158914144000.

The previous prime is 321212303017. The next prime is 321212303033. The reversal of 321212303032 is 230303212123.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 321212302994 and 321212303012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321212303033) 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, 1142844 + ... + 1395892.

Almost surely, 2^321212303032 is an apocalyptic number.

It is an amenable number.

321212303032 is a deficient number, since it is larger than the sum of its proper divisors (287413434968).

321212303032 is a wasteful number, since it uses less digits than its factorization.

321212303032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254727 (or 254723 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 321212303032 its reverse (230303212123), we get a palindrome (551515515155).

Subtracting from 321212303032 its reverse (230303212123), we obtain a palindrome (90909090909).

The spelling of 321212303032 in words is "three hundred twenty-one billion, two hundred twelve million, three hundred three thousand, thirty-two".