321341412 has 216 divisors, whose sum is σ = 972104448. Its totient is φ = 82252800.

The previous prime is 321341399. The next prime is 321341417. The reversal of 321341412 is 214143123.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (321341417) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5267862 + ... + 5267922.

Almost surely, 2^321341412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 321341412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486052224).

321341412 is an abundant number, since it is smaller than the sum of its proper divisors (650763036).

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

321341412 is a wasteful number, since it uses less digits than its factorization.

321341412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 121 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 321341412 is about 17925.9982148833. The cubic root of 321341412 is about 684.9447889150.

Adding to 321341412 its reverse (214143123), we get a palindrome (535484535).

The spelling of 321341412 in words is "three hundred twenty-one million, three hundred forty-one thousand, four hundred twelve".