312201440133422 has 128 divisors (see below), whose sum is σ = 570531072393216. Its totient is φ = 125359538274432.

The previous prime is 312201440133421. The next prime is 312201440133439. The reversal of 312201440133422 is 224331044102213.

It is a happy number.

It is a super-2 number, since 2×312201440133422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201440133421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373034513 + ... + 373870499.

It is an arithmetic number, because the mean of its divisors is an integer number (4457274003072).

Almost surely, 2^{312201440133422} is an apocalyptic number.

312201440133422 is a deficient number, since it is larger than the sum of its proper divisors (258329632259794).

312201440133422 is a wasteful number, since it uses less digits than its factorization.

312201440133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836350.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 312201440133422 its reverse (224331044102213), we get a palindrome (536532484235635).

The spelling of 312201440133422 in words is "three hundred twelve trillion, two hundred one billion, four hundred forty million, one hundred thirty-three thousand, four hundred twenty-two".