220032031121212 has 24 divisors (see below), whose sum is σ = 392330982755376. Its totient is φ = 107937567474048.

The previous prime is 220032031121207. The next prime is 220032031121237. The reversal of 220032031121212 is 212121130230022.

It is a congruent number.

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, 4266033 + ... + 21407080.

It is an arithmetic number, because the mean of its divisors is an integer number (16347124281474).

Almost surely, 2^{220032031121212} is an apocalyptic number.

It is an amenable number.

220032031121212 is a deficient number, since it is larger than the sum of its proper divisors (172298951634164).

220032031121212 is a wasteful number, since it uses less digits than its factorization.

220032031121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25713597 (or 25713595 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 220032031121212 its reverse (212121130230022), we get a palindrome (432153161351234).

The spelling of 220032031121212 in words is "two hundred twenty trillion, thirty-two billion, thirty-one million, one hundred twenty-one thousand, two hundred twelve".