220835661071212 has 24 divisors (see below), whose sum is σ = 421611131696832. Its totient is φ = 100376089098000.

The previous prime is 220835661071149. The next prime is 220835661071261. The reversal of 220835661071212 is 212170166538022.

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 7 ways as a sum of consecutive naturals, for example, 92731914 + ... + 95083537.

It is an arithmetic number, because the mean of its divisors is an integer number (17567130487368).

Almost surely, 2^{220835661071212} is an apocalyptic number.

220835661071212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220835661071212 is a deficient number, since it is larger than the sum of its proper divisors (200775470625620).

220835661071212 is a wasteful number, since it uses less digits than its factorization.

220835661071212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187842189 (or 187842187 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 220835661071212 in words is "two hundred twenty trillion, eight hundred thirty-five billion, six hundred sixty-one million, seventy-one thousand, two hundred twelve".