321011210412 has 36 divisors (see below), whose sum is σ = 811586819680. Its totient is φ = 106985035872.

The previous prime is 321011210371. The next prime is 321011210413. The reversal of 321011210412 is 214012110123.

321011210412 is a `hidden beast` number, since 32 + 1 + 0 + 11 + 210 + 412 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (321011210413) 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 11 ways as a sum of consecutive naturals, for example, 569587 + ... + 983082.

Almost surely, 2^321011210412 is an apocalyptic number.

It is an amenable number.

321011210412 is an abundant number, since it is smaller than the sum of its proper divisors (490575609268).

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

321011210412 is a wasteful number, since it uses less digits than its factorization.

321011210412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558422 (or 1558417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 321011210412 its reverse (214012110123), we get a palindrome (535023320535).

The spelling of 321011210412 in words is "three hundred twenty-one billion, eleven million, two hundred ten thousand, four hundred twelve".