312011222101420 has 24 divisors (see below), whose sum is σ = 655224835992048. Its totient is φ = 124804247016000.

The previous prime is 312011222101417. The next prime is 312011222101441. The reversal of 312011222101420 is 24101222110213.

It is a junction number, because it is equal to n+sod(n) for n = 312011222101391 and 312011222101400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347006 + ... + 25355845.

It is an arithmetic number, because the mean of its divisors is an integer number (27301034833002).

Almost surely, 2^{312011222101420} is an apocalyptic number.

It is an amenable number.

312011222101420 is an abundant number, since it is smaller than the sum of its proper divisors (343213613890628).

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

312011222101420 is a wasteful number, since it uses less digits than its factorization.

312011222101420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30228081 (or 30228079 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 312011222101420 its reverse (24101222110213), we get a palindrome (336112444211633).

The spelling of 312011222101420 in words is "three hundred twelve trillion, eleven billion, two hundred twenty-two million, one hundred one thousand, four hundred twenty".