321140012 has 6 divisors (see below), whose sum is σ = 561995028. Its totient is φ = 160570004.

The previous prime is 321139993. The next prime is 321140089. The reversal of 321140012 is 210041123.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142498 + ... + 40142505.

It is an arithmetic number, because the mean of its divisors is an integer number (93665838).

Almost surely, 2^321140012 is an apocalyptic number.

It is an amenable number.

321140012 is a deficient number, since it is larger than the sum of its proper divisors (240855016).

321140012 is a wasteful number, since it uses less digits than its factorization.

321140012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80285007 (or 80285005 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 321140012 is about 17920.3797950825. The cubic root of 321140012 is about 684.8016631461.

Adding to 321140012 its reverse (210041123), we get a palindrome (531181135).

The spelling of 321140012 in words is "three hundred twenty-one million, one hundred forty thousand, twelve".