1223322123105 has 12 divisors (see below), whose sum is σ = 2120425013460. Its totient is φ = 652438465632.

The previous prime is 1223322123061. The next prime is 1223322123137. The reversal of 1223322123105 is 5013212233221.

1223322123105 is a `hidden beast` number, since 1 + 2 + 2 + 332 + 2 + 12 + 310 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 467736991569 + 755585131536 = 683913^2 + 869244^2 .

It is not a de Polignac number, because 1223322123105 - 2⁹ = 1223322122593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13592467990 + ... + 13592468079.

It is an arithmetic number, because the mean of its divisors is an integer number (176702084455).

Almost surely, 2^{1223322123105} is an apocalyptic number.

1223322123105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223322123105 is a deficient number, since it is larger than the sum of its proper divisors (897102890355).

1223322123105 is a wasteful number, since it uses less digits than its factorization.

1223322123105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27184936080 (or 27184936077 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1223322123105 its reverse (5013212233221), we get a palindrome (6236534356326).

The spelling of 1223322123105 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, one hundred twenty-three thousand, one hundred five".