220103210312 has 32 divisors (see below), whose sum is σ = 415779868800. Its totient is φ = 109228865664.

The previous prime is 220103210311. The next prime is 220103210351. The reversal of 220103210312 is 213012301022.

It is not an unprimeable number, because it can be changed into a prime (220103210311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7638989 + ... + 7667747.

It is an arithmetic number, because the mean of its divisors is an integer number (12993120900).

Almost surely, 2^220103210312 is an apocalyptic number.

It is an amenable number.

220103210312 is a deficient number, since it is larger than the sum of its proper divisors (195676658488).

220103210312 is a wasteful number, since it uses less digits than its factorization.

220103210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35885 (or 35881 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220103210312 its reverse (213012301022), we get a palindrome (433115511334).

The spelling of 220103210312 in words is "two hundred twenty billion, one hundred three million, two hundred ten thousand, three hundred twelve".