321011011012 has 48 divisors (see below), whose sum is σ = 569204213760. Its totient is φ = 158397120000.

The previous prime is 321011010977. The next prime is 321011011091. The reversal of 321011011012 is 210110110123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321011010983 and 321011011001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79240387 + ... + 79244437.

It is an arithmetic number, because the mean of its divisors is an integer number (11858421120).

Almost surely, 2^321011011012 is an apocalyptic number.

It is an amenable number.

321011011012 is a deficient number, since it is larger than the sum of its proper divisors (248193202748).

321011011012 is a wasteful number, since it uses less digits than its factorization.

321011011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4970 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 321011011012 its reverse (210110110123), we get a palindrome (531121121135).

It can be divided in two parts, 3 and 21011011012, that multiplied together give a palindrome (63033033036).

The spelling of 321011011012 in words is "three hundred twenty-one billion, eleven million, eleven thousand, twelve".