405105230451122 has 16 divisors (see below), whose sum is σ = 613394194077720. Its totient is φ = 200641477915008.

The previous prime is 405105230451121. The next prime is 405105230451143. The reversal of 405105230451122 is 221154032501504.

It can be written as a sum of positive squares in 4 ways, for example, as 116224592124001 + 288880638327121 = 10780751^2 + 16996489^2 .

It is a super-2 number, since 2×405105230451122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405105230451121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243876083 + ... + 245531574.

Almost surely, 2^{405105230451122} is an apocalyptic number.

405105230451122 is a deficient number, since it is larger than the sum of its proper divisors (208288963626598).

405105230451122 is a wasteful number, since it uses less digits than its factorization.

405105230451122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489411565.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 405105230451122 its reverse (221154032501504), we get a palindrome (626259262952626).

The spelling of 405105230451122 in words is "four hundred five trillion, one hundred five billion, two hundred thirty million, four hundred fifty-one thousand, one hundred twenty-two".