312121060342 has 48 divisors (see below), whose sum is σ = 593937610560. Its totient is φ = 121913430912.

The previous prime is 312121060337. The next prime is 312121060369. The reversal of 312121060342 is 243060121213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449943 + ... + 1651234.

It is an arithmetic number, because the mean of its divisors is an integer number (12373700220).

Almost surely, 2^312121060342 is an apocalyptic number.

312121060342 is a deficient number, since it is larger than the sum of its proper divisors (281816550218).

312121060342 is a wasteful number, since it uses less digits than its factorization.

312121060342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101285 (or 3101278 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312121060342 its reverse (243060121213), we get a palindrome (555181181555).

The spelling of 312121060342 in words is "three hundred twelve billion, one hundred twenty-one million, sixty thousand, three hundred forty-two".