321404240010012 has 24 divisors (see below), whose sum is σ = 752710544877312. Its totient is φ = 106739415500400.

The previous prime is 321404240009921. The next prime is 321404240010013. The reversal of 321404240010012 is 210010042404123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321404240010013) 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 7 ways as a sum of consecutive naturals, for example, 49416392814 + ... + 49416399317.

It is an arithmetic number, because the mean of its divisors is an integer number (31362939369888).

Almost surely, 2^{321404240010012} is an apocalyptic number.

It is an amenable number.

321404240010012 is an abundant number, since it is smaller than the sum of its proper divisors (431306304867300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321404240010012 is a wasteful number, since it uses less digits than its factorization.

321404240010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98832792409 (or 98832792407 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 321404240010012 its reverse (210010042404123), we get a palindrome (531414282414135).

The spelling of 321404240010012 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred forty million, ten thousand, twelve".