312132103123202 has 16 divisors (see below), whose sum is σ = 468298514948472. Its totient is φ = 156032599537920.

The previous prime is 312132103123151. The next prime is 312132103123271. The reversal of 312132103123202 is 202321301231213.

It can be written as a sum of positive squares in 4 ways, for example, as 280345160607121 + 31786942516081 = 16743511^2 + 5637991^2 .

It is a super-2 number, since 2×312132103123202² (a number of 30 digits) contains 22 as substring.

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, 481750688 + ... + 482398164.

Almost surely, 2^{312132103123202} is an apocalyptic number.

312132103123202 is a deficient number, since it is larger than the sum of its proper divisors (156166411825270).

312132103123202 is a wasteful number, since it uses less digits than its factorization.

312132103123202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698773.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 312132103123202 its reverse (202321301231213), we get a palindrome (514453404354415).

The spelling of 312132103123202 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred three million, one hundred twenty-three thousand, two hundred two".