312132433203420 has 48 divisors (see below), whose sum is σ = 919969276813440. Its totient is φ = 78854509440576.

The previous prime is 312132433203397. The next prime is 312132433203467. The reversal of 312132433203420 is 24302334231213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136900188862 + ... + 136900191141.

It is an arithmetic number, because the mean of its divisors is an integer number (19166026600280).

Almost surely, 2^{312132433203420} is an apocalyptic number.

312132433203420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312132433203420 is an abundant number, since it is smaller than the sum of its proper divisors (607836843610020).

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

312132433203420 is a wasteful number, since it uses less digits than its factorization.

312132433203420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273800380034 (or 273800380032 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 312132433203420 its reverse (24302334231213), we get a palindrome (336434767434633).

The spelling of 312132433203420 in words is "three hundred twelve trillion, one hundred thirty-two billion, four hundred thirty-three million, two hundred three thousand, four hundred twenty".