321125423340612 has 24 divisors (see below), whose sum is σ = 817410168503712. Its totient is φ = 97310734345600.

The previous prime is 321125423340487. The next prime is 321125423340613. The reversal of 321125423340612 is 216043324521123.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (321125423340613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1216384179189 + ... + 1216384179452.

It is an arithmetic number, because the mean of its divisors is an integer number (34058757020988).

Almost surely, 2^{321125423340612} is an apocalyptic number.

It is an amenable number.

321125423340612 is an abundant number, since it is smaller than the sum of its proper divisors (496284745163100).

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

321125423340612 is a wasteful number, since it uses less digits than its factorization.

321125423340612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432768358659 (or 2432768358657 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 321125423340612 its reverse (216043324521123), we get a palindrome (537168747861735).

The spelling of 321125423340612 in words is "three hundred twenty-one trillion, one hundred twenty-five billion, four hundred twenty-three million, three hundred forty thousand, six hundred twelve".