312144043214420 has 24 divisors (see below), whose sum is σ = 655554362966664. Its totient is φ = 124847736863616.

The previous prime is 312144043214383. The next prime is 312144043214473. The reversal of 312144043214420 is 24412340441213.

It can be written as a sum of positive squares in 4 ways, for example, as 163463341636 + 311980579872784 = 404306^2 + 17662972^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617267327 + ... + 617772806.

It is an arithmetic number, because the mean of its divisors is an integer number (27314765123611).

Almost surely, 2^{312144043214420} is an apocalyptic number.

It is an amenable number.

312144043214420 is an abundant number, since it is smaller than the sum of its proper divisors (343410319752244).

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

312144043214420 is a wasteful number, since it uses less digits than its factorization.

312144043214420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235052779 (or 1235052777 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 312144043214420 its reverse (24412340441213), we get a palindrome (336556383655633).

The spelling of 312144043214420 in words is "three hundred twelve trillion, one hundred forty-four billion, forty-three million, two hundred fourteen thousand, four hundred twenty".