312000121231441 has 4 divisors (see below), whose sum is σ = 312116669654452. Its totient is φ = 311883572808432.

The previous prime is 312000121231423. The next prime is 312000121231511. The reversal of 312000121231441 is 144132121000213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8244162700225 + 303755958531216 = 2871265^2 + 17428596^2 .

It is a cyclic number.

It is not a de Polignac number, because 312000121231441 - 2²⁷ = 311999987013713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312000121231541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58274207490 + ... + 58274212843.

It is an arithmetic number, because the mean of its divisors is an integer number (78029167413613).

Almost surely, 2^{312000121231441} is an apocalyptic number.

It is an amenable number.

312000121231441 is a deficient number, since it is larger than the sum of its proper divisors (116548423011).

312000121231441 is a wasteful number, since it uses less digits than its factorization.

312000121231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116548423010.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 312000121231441 its reverse (144132121000213), we get a palindrome (456132242231654).

The spelling of 312000121231441 in words is "three hundred twelve trillion, one hundred twenty-one million, two hundred thirty-one thousand, four hundred forty-one".