321022012 has 6 divisors (see below), whose sum is σ = 561788528. Its totient is φ = 160511004.

The previous prime is 321022003. The next prime is 321022049. The reversal of 321022012 is 210220123.

It is a junction number, because it is equal to n+sod(n) for n = 321021983 and 321022001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40127748 + ... + 40127755.

Almost surely, 2^321022012 is an apocalyptic number.

It is an amenable number.

321022012 is a deficient number, since it is larger than the sum of its proper divisors (240766516).

321022012 is a wasteful number, since it uses less digits than its factorization.

321022012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80255507 (or 80255505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 321022012 is about 17917.0871516550. The cubic root of 321022012 is about 684.7177781401.

Adding to 321022012 its reverse (210220123), we get a palindrome (531242135).

It can be divided in two parts, 3 and 21022012, that multiplied together give a palindrome (63066036).

The spelling of 321022012 in words is "three hundred twenty-one million, twenty-two thousand, twelve".