20303311122212 has 48 divisors (see below), whose sum is σ = 37255889045760. Its totient is φ = 9668951534592.

The previous prime is 20303311122203. The next prime is 20303311122233. The reversal of 20303311122212 is 21222111330302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515573 + ... + 6393155.

It is an arithmetic number, because the mean of its divisors is an integer number (776164355120).

Almost surely, 2^{20303311122212} is an apocalyptic number.

It is an amenable number.

20303311122212 is a deficient number, since it is larger than the sum of its proper divisors (16952577923548).

20303311122212 is a wasteful number, since it uses less digits than its factorization.

20303311122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5878020 (or 5878018 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20303311122212 its reverse (21222111330302), we get a palindrome (41525422452514).

The spelling of 20303311122212 in words is "twenty trillion, three hundred three billion, three hundred eleven million, one hundred twenty-two thousand, two hundred twelve".