312000400213022 has 8 divisors (see below), whose sum is σ = 468001619868000. Its totient is φ = 155999860257024.

The previous prime is 312000400213009. The next prime is 312000400213031. The reversal of 312000400213022 is 220312004000213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312000400212985 and 312000400213003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168775622 + ... + 170614217.

It is an arithmetic number, because the mean of its divisors is an integer number (58500202483500).

Almost surely, 2^{312000400213022} is an apocalyptic number.

312000400213022 is a deficient number, since it is larger than the sum of its proper divisors (156001219654978).

312000400213022 is a wasteful number, since it uses less digits than its factorization.

312000400213022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339849490.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312000400213022 its reverse (220312004000213), we get a palindrome (532312404213235).

The spelling of 312000400213022 in words is "three hundred twelve trillion, four hundred million, two hundred thirteen thousand, twenty-two".