312001420311242 has 8 divisors (see below), whose sum is σ = 468147427629732. Its totient is φ = 155952277768000.

The previous prime is 312001420311239. The next prime is 312001420311359. The reversal of 312001420311242 is 242113024100213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 263044964632921 + 48956455678321 = 16218661^2 + 6996889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 24216185759 + ... + 24216198642.

Almost surely, 2^{312001420311242} is an apocalyptic number.

312001420311242 is a deficient number, since it is larger than the sum of its proper divisors (156146007318490).

312001420311242 is a wasteful number, since it uses less digits than its factorization.

312001420311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48432387624.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 312001420311242 its reverse (242113024100213), we get a palindrome (554114444411455).

The spelling of 312001420311242 in words is "three hundred twelve trillion, one billion, four hundred twenty million, three hundred eleven thousand, two hundred forty-two".