312212101430 has 32 divisors (see below), whose sum is σ = 563740556544. Its totient is φ = 124494182496.

The previous prime is 312212101417. The next prime is 312212101459. The reversal of 312212101430 is 34101212213.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18462359 + ... + 18479261.

It is an arithmetic number, because the mean of its divisors is an integer number (17616892392).

Almost surely, 2^312212101430 is an apocalyptic number.

312212101430 is a deficient number, since it is larger than the sum of its proper divisors (251528455114).

312212101430 is a wasteful number, since it uses less digits than its factorization.

312212101430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22580.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312212101430 its reverse (34101212213), we get a palindrome (346313313643).

The spelling of 312212101430 in words is "three hundred twelve billion, two hundred twelve million, one hundred one thousand, four hundred thirty".