312201222401022 has 8 divisors (see below), whose sum is σ = 624402444802056. Its totient is φ = 104067074133672.

The previous prime is 312201222400993. The next prime is 312201222401023. The reversal of 312201222401022 is 220104222102213.

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

312201222401022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 312201222400983 and 312201222401001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201222401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26016768533413 + ... + 26016768533424.

It is an arithmetic number, because the mean of its divisors is an integer number (78050305600257).

Almost surely, 2^{312201222401022} is an apocalyptic number.

312201222401022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312201222401022 is a wasteful number, since it uses less digits than its factorization.

312201222401022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52033537066842.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 312201222401022 its reverse (220104222102213), we get a palindrome (532305444503235).

The spelling of 312201222401022 in words is "three hundred twelve trillion, two hundred one billion, two hundred twenty-two million, four hundred one thousand, twenty-two".