312421213141312 has 112 divisors (see below), whose sum is σ = 707319256684032. Its totient is φ = 135528680967680.

The previous prime is 312421213141307. The next prime is 312421213141313. The reversal of 312421213141312 is 213141312124213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312421213141313) 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, 14604358 + ... + 28950469.

Almost surely, 2^{312421213141312} is an apocalyptic number.

312421213141312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312421213141312 is an abundant number, since it is smaller than the sum of its proper divisors (394898043542720).

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

312421213141312 is a wasteful number, since it uses less digits than its factorization.

312421213141312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43555316 (or 43555306 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

Adding to 312421213141312 its reverse (213141312124213), we get a palindrome (525562525265525).

The spelling of 312421213141312 in words is "three hundred twelve trillion, four hundred twenty-one billion, two hundred thirteen million, one hundred forty-one thousand, three hundred twelve".