122260215652 has 12 divisors (see below), whose sum is σ = 214131771196. Its totient is φ = 61079709600.

The previous prime is 122260215619. The next prime is 122260215653. The reversal of 122260215652 is 256512062221.

It can be written as a sum of positive squares in 2 ways, for example, as 1263375936 + 120996839716 = 35544^2 + 347846^2 .

It is not an unprimeable number, because it can be changed into a prime (122260215653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12594099 + ... + 12603802.

Almost surely, 2^122260215652 is an apocalyptic number.

It is an amenable number.

122260215652 is a deficient number, since it is larger than the sum of its proper divisors (91871555544).

122260215652 is a wasteful number, since it uses less digits than its factorization.

122260215652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25199118 (or 25199116 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 122260215652 its reverse (256512062221), we get a palindrome (378772277873).

The spelling of 122260215652 in words is "one hundred twenty-two billion, two hundred sixty million, two hundred fifteen thousand, six hundred fifty-two".