312132401122244 has 12 divisors (see below), whose sum is σ = 546272781375804. Its totient is φ = 156054463586304.

The previous prime is 312132401122229. The next prime is 312132401122247. The reversal of 312132401122244 is 442221104231213.

It can be written as a sum of positive squares in 2 ways, for example, as 46662014521600 + 265470386600644 = 6830960^2 + 16293262^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312132401122244.

It is not an unprimeable number, because it can be changed into a prime (312132401122247) 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, 2934183869 + ... + 2934290244.

It is an arithmetic number, because the mean of its divisors is an integer number (45522731781317).

Almost surely, 2^{312132401122244} is an apocalyptic number.

It is an amenable number.

312132401122244 is a deficient number, since it is larger than the sum of its proper divisors (234140380253560).

312132401122244 is a wasteful number, since it uses less digits than its factorization.

312132401122244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868487414 (or 5868487412 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 312132401122244 its reverse (442221104231213), we get a palindrome (754353505353457).

The spelling of 312132401122244 in words is "three hundred twelve trillion, one hundred thirty-two billion, four hundred one million, one hundred twenty-two thousand, two hundred forty-four".