312043100011252 has 24 divisors (see below), whose sum is σ = 550089912503880. Its totient is φ = 154874671741440.

The previous prime is 312043100011219. The next prime is 312043100011283. The reversal of 312043100011252 is 252110001340213.

It can be written as a sum of positive squares in 4 ways, for example, as 52217908630416 + 259825191380836 = 7226196^2 + 16119094^2 .

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, 4189899 + ... + 25330642.

It is an arithmetic number, because the mean of its divisors is an integer number (22920413020995).

Almost surely, 2^{312043100011252} is an apocalyptic number.

It is an amenable number.

312043100011252 is a deficient number, since it is larger than the sum of its proper divisors (238046812492628).

312043100011252 is a wasteful number, since it uses less digits than its factorization.

312043100011252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29539971 (or 29539969 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 312043100011252 its reverse (252110001340213), we get a palindrome (564153101351465).

The spelling of 312043100011252 in words is "three hundred twelve trillion, forty-three billion, one hundred million, eleven thousand, two hundred fifty-two".