220311321111212 has 12 divisors (see below), whose sum is σ = 385548961762776. Its totient is φ = 110154474893280.

The previous prime is 220311321111199. The next prime is 220311321111251. The reversal of 220311321111212 is 212111123113022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295997438 + ... + 296740805.

It is an arithmetic number, because the mean of its divisors is an integer number (32129080146898).

Almost surely, 2^{220311321111212} is an apocalyptic number.

It is an amenable number.

220311321111212 is a deficient number, since it is larger than the sum of its proper divisors (165237640651564).

220311321111212 is a wasteful number, since it uses less digits than its factorization.

220311321111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592831168 (or 592831166 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 220311321111212 its reverse (212111123113022), we get a palindrome (432422444224234).

The spelling of 220311321111212 in words is "two hundred twenty trillion, three hundred eleven billion, three hundred twenty-one million, one hundred eleven thousand, two hundred twelve".