312142200320002 has 16 divisors (see below), whose sum is σ = 506393784219960. Its totient is φ = 143447323485312.

The previous prime is 312142200319991. The next prime is 312142200320003. The reversal of 312142200320002 is 200023002241213.

It can be written as a sum of positive squares in 4 ways, for example, as 74084425487361 + 238057774832641 = 8607231^2 + 15429121^2 .

It is a super-2 number, since 2×312142200320002² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312142200320003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25762803477 + ... + 25762815592.

Almost surely, 2^{312142200320002} is an apocalyptic number.

312142200320002 is a deficient number, since it is larger than the sum of its proper divisors (194251583899958).

312142200320002 is a wasteful number, since it uses less digits than its factorization.

312142200320002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51525619317.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 312142200320002 its reverse (200023002241213), we get a palindrome (512165202561215).

The spelling of 312142200320002 in words is "three hundred twelve trillion, one hundred forty-two billion, two hundred million, three hundred twenty thousand, two".