321013134204212 has 48 divisors (see below), whose sum is σ = 576951004949760. Its totient is φ = 156208449178752.

The previous prime is 321013134204211. The next prime is 321013134204229. The reversal of 321013134204212 is 212402431310123.

It is a happy number.

It is a super-2 number, since 2×321013134204212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321013134204211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1059112478 + ... + 1059415530.

It is an arithmetic number, because the mean of its divisors is an integer number (12019812603120).

Almost surely, 2^{321013134204212} is an apocalyptic number.

It is an amenable number.

321013134204212 is a deficient number, since it is larger than the sum of its proper divisors (255937870745548).

321013134204212 is a wasteful number, since it uses less digits than its factorization.

321013134204212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334760 (or 334758 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 321013134204212 its reverse (212402431310123), we get a palindrome (533415565514335).

The spelling of 321013134204212 in words is "three hundred twenty-one trillion, thirteen billion, one hundred thirty-four million, two hundred four thousand, two hundred twelve".