321213001132 has 24 divisors (see below), whose sum is σ = 591920708400. Its totient is φ = 152098871616.

The previous prime is 321213001127. The next prime is 321213001199. The reversal of 321213001132 is 231100312123.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545743 + ... + 969670.

It is an arithmetic number, because the mean of its divisors is an integer number (24663362850).

Almost surely, 2^321213001132 is an apocalyptic number.

It is an amenable number.

321213001132 is a deficient number, since it is larger than the sum of its proper divisors (270707707268).

321213001132 is a wasteful number, since it uses less digits than its factorization.

321213001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518225 (or 1518223 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 321213001132 its reverse (231100312123), we get a palindrome (552313313255).

The spelling of 321213001132 in words is "three hundred twenty-one billion, two hundred thirteen million, one thousand, one hundred thirty-two".