220231103021012 has 12 divisors (see below), whose sum is σ = 385409178793716. Its totient is φ = 110114194794240.

The previous prime is 220231103021003. The next prime is 220231103021081. The reversal of 220231103021012 is 210120301132022.

It can be written as a sum of positive squares in 2 ways, for example, as 133189741497796 + 87041361523216 = 11540786^2 + 9329596^2 .

It is a super-3 number, since 3×220231103021012³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338813789 + ... + 339463172.

It is an arithmetic number, because the mean of its divisors is an integer number (32117431566143).

Almost surely, 2^{220231103021012} is an apocalyptic number.

It is an amenable number.

220231103021012 is a deficient number, since it is larger than the sum of its proper divisors (165178075772704).

220231103021012 is a wasteful number, since it uses less digits than its factorization.

220231103021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678358138 (or 678358136 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 220231103021012 its reverse (210120301132022), we get a palindrome (430351404153034).

The spelling of 220231103021012 in words is "two hundred twenty trillion, two hundred thirty-one billion, one hundred three million, twenty-one thousand, twelve".