206434326415122 has 48 divisors (see below), whose sum is σ = 481731622171800. Its totient is φ = 63511459485696.

The previous prime is 206434326414889. The next prime is 206434326415123. The reversal of 206434326415122 is 221514623434602.

206434326415122 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 3 + 432 + 64 + 151 + 2 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 197439059792601 + 8995266622521 = 14051301^2 + 2999211^2 .

It is a super-2 number, since 2×206434326415122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206434326415123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44993743 + ... + 49369074.

Almost surely, 2^{206434326415122} is an apocalyptic number.

206434326415122 is an abundant number, since it is smaller than the sum of its proper divisors (275297295756678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206434326415122 is a wasteful number, since it uses less digits than its factorization.

206434326415122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94372187 (or 94372184 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

Adding to 206434326415122 its reverse (221514623434602), we get a palindrome (427948949849724).

The spelling of 206434326415122 in words is "two hundred six trillion, four hundred thirty-four billion, three hundred twenty-six million, four hundred fifteen thousand, one hundred twenty-two".