312222303213 has 8 divisors (see below), whose sum is σ = 418453381248. Its totient is φ = 207069713664.

The previous prime is 312222303203. The next prime is 312222303221. The reversal of 312222303213 is 312303222213.

312222303213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 312222303213 - 2¹² = 312222299117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222303203) 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, 269621445 + ... + 269622602.

It is an arithmetic number, because the mean of its divisors is an integer number (52306672656).

Almost surely, 2^312222303213 is an apocalyptic number.

It is an amenable number.

312222303213 is a deficient number, since it is larger than the sum of its proper divisors (106231078035).

312222303213 is a wasteful number, since it uses less digits than its factorization.

312222303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539244243.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 312222303213 its reverse (312303222213), we get a palindrome (624525525426).

The spelling of 312222303213 in words is "three hundred twelve billion, two hundred twenty-two million, three hundred three thousand, two hundred thirteen".