12722045105 has 32 divisors (see below), whose sum is σ = 19057102848. Its totient is φ = 7920792000.

The previous prime is 12722045101. The next prime is 12722045113. The reversal of 12722045105 is 50154022721.

It is a happy number.

It is not a de Polignac number, because 12722045105 - 2² = 12722045101 is a prime.

It is a super-2 number, since 2×12722045105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12722045101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296780 + ... + 336930.

It is an arithmetic number, because the mean of its divisors is an integer number (595534464).

Almost surely, 2^12722045105 is an apocalyptic number.

It is an amenable number.

12722045105 is a deficient number, since it is larger than the sum of its proper divisors (6335057743).

12722045105 is a wasteful number, since it uses less digits than its factorization.

12722045105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40997.

The product of its (nonzero) digits is 5600, while the sum is 29.

Adding to 12722045105 its reverse (50154022721), we get a palindrome (62876067826).

The spelling of 12722045105 in words is "twelve billion, seven hundred twenty-two million, forty-five thousand, one hundred five".