321140012104 has 64 divisors (see below), whose sum is σ = 614613970800. Its totient is φ = 157275611136.

The previous prime is 321140012077. The next prime is 321140012107. The reversal of 321140012104 is 401210041123.

It can be written as a sum of positive squares in 8 ways, for example, as 265325949604 + 55814062500 = 515098^2 + 236250^2 .

It is not an unprimeable number, because it can be changed into a prime (321140012107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150839712 + ... + 150841840.

Almost surely, 2^321140012104 is an apocalyptic number.

It is an amenable number.

321140012104 is a deficient number, since it is larger than the sum of its proper divisors (293473958696).

321140012104 is a wasteful number, since it uses less digits than its factorization.

321140012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874 (or 3870 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 321140012104 its reverse (401210041123), we get a palindrome (722350053227).

It can be divided in two parts, 32114001 and 2104, that added together give a triangular number (32116105 = T₈₀₁₄).

The spelling of 321140012104 in words is "three hundred twenty-one billion, one hundred forty million, twelve thousand, one hundred four".