1226442122105 has 8 divisors (see below), whose sum is σ = 1473072148872. Its totient is φ = 980259296128.

The previous prime is 1226442121997. The next prime is 1226442122119. The reversal of 1226442122105 is 5012212446221.

It can be written as a sum of positive squares in 4 ways, for example, as 3199486096 + 1223242636009 = 56564^2 + 1106003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1226442122105 - 2¹² = 1226442118009 is a prime.

It is a Duffinian 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, 111794162 + ... + 111805131.

It is an arithmetic number, because the mean of its divisors is an integer number (184134018609).

Almost surely, 2^{1226442122105} is an apocalyptic number.

It is an amenable number.

1226442122105 is a deficient number, since it is larger than the sum of its proper divisors (246630026767).

1226442122105 is a wasteful number, since it uses less digits than its factorization.

1226442122105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223600395.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 1226442122105 its reverse (5012212446221), we get a palindrome (6238654568326).

The spelling of 1226442122105 in words is "one trillion, two hundred twenty-six billion, four hundred forty-two million, one hundred twenty-two thousand, one hundred five".