312126306146 has 12 divisors (see below), whose sum is σ = 484890631602. Its totient is φ = 150681664224.

The previous prime is 312126306119. The next prime is 312126306157. The reversal of 312126306146 is 641603621213.

It can be written as a sum of positive squares in 3 ways, for example, as 270322005625 + 41804300521 = 519925^2 + 204461^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92782595 + ... + 92785958.

Almost surely, 2^312126306146 is an apocalyptic number.

312126306146 is a deficient number, since it is larger than the sum of its proper divisors (172764325456).

312126306146 is a wasteful number, since it uses less digits than its factorization.

312126306146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185568613 (or 185568584 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 312126306146 its reverse (641603621213), we get a palindrome (953729927359).

The spelling of 312126306146 in words is "three hundred twelve billion, one hundred twenty-six million, three hundred six thousand, one hundred forty-six".