220302111021312 has 144 divisors (see below), whose sum is σ = 635956409374272. Its totient is φ = 67428670832640.

The previous prime is 220302111021301. The next prime is 220302111021379. The reversal of 220302111021312 is 213120111203022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205240678 + ... + 206311269.

It is an arithmetic number, because the mean of its divisors is an integer number (4416363953988).

Almost surely, 2^{220302111021312} is an apocalyptic number.

It is an amenable number.

220302111021312 is an abundant number, since it is smaller than the sum of its proper divisors (415654298352960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220302111021312 is a wasteful number, since it uses less digits than its factorization.

220302111021312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411552024 (or 411552010 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 220302111021312 its reverse (213120111203022), we get a palindrome (433422222224334).

The spelling of 220302111021312 in words is "two hundred twenty trillion, three hundred two billion, one hundred eleven million, twenty-one thousand, three hundred twelve".