321573413412 has 36 divisors (see below), whose sum is σ = 816511288320. Its totient is φ = 106710457392.

The previous prime is 321573413243. The next prime is 321573413417. The reversal of 321573413412 is 214314375123.

321573413412 is a `hidden beast` number, since 3 + 2 + 1 + 573 + 41 + 3 + 41 + 2 = 666.

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

It is a super-2 number, since 2×321573413412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (321573413417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20020212 + ... + 20036267.

It is an arithmetic number, because the mean of its divisors is an integer number (22680869120).

Almost surely, 2^321573413412 is an apocalyptic number.

It is an amenable number.

321573413412 is an abundant number, since it is smaller than the sum of its proper divisors (494937874908).

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

321573413412 is a wasteful number, since it uses less digits than its factorization.

321573413412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40056712 (or 40056707 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

Adding to 321573413412 its reverse (214314375123), we get a palindrome (535887788535).

The spelling of 321573413412 in words is "three hundred twenty-one billion, five hundred seventy-three million, four hundred thirteen thousand, four hundred twelve".