312212223130 has 64 divisors (see below), whose sum is σ = 632559870720. Its totient is φ = 110249856000.

The previous prime is 312212223091. The next prime is 312212223131. The reversal of 312212223130 is 31322212213.

It is not an unprimeable number, because it can be changed into a prime (312212223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152286 + ... + 804745.

It is an arithmetic number, because the mean of its divisors is an integer number (9883747980).

Almost surely, 2^312212223130 is an apocalyptic number.

312212223130 is an abundant number, since it is smaller than the sum of its proper divisors (320347647590).

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

312212223130 is a wasteful number, since it uses less digits than its factorization.

312212223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957175.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312212223130 its reverse (31322212213), we get a palindrome (343534435343).

The spelling of 312212223130 in words is "three hundred twelve billion, two hundred twelve million, two hundred twenty-three thousand, one hundred thirty".