312132120030044 has 24 divisors (see below), whose sum is σ = 547911313987968. Its totient is φ = 155586204295280.

The previous prime is 312132120030043. The next prime is 312132120030089. The reversal of 312132120030044 is 440030021231213.

It is a junction number, because it is equal to n+sod(n) for n = 312132120029995 and 312132120030022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312132120030043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14566904 + ... + 28921599.

It is an arithmetic number, because the mean of its divisors is an integer number (22829638082832).

Almost surely, 2^{312132120030044} is an apocalyptic number.

It is an amenable number.

312132120030044 is a deficient number, since it is larger than the sum of its proper divisors (235779193957924).

312132120030044 is a wasteful number, since it uses less digits than its factorization.

312132120030044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43494025 (or 43494023 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312132120030044 its reverse (440030021231213), we get a palindrome (752162141261257).

The spelling of 312132120030044 in words is "three hundred twelve trillion, one hundred thirty-two billion, one hundred twenty million, thirty thousand, forty-four".