206122061523213 has 48 divisors (see below), whose sum is σ = 327955861022400. Its totient is φ = 123708922122240.

The previous prime is 206122061523197. The next prime is 206122061523227. The reversal of 206122061523213 is 312325160221602.

206122061523213 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 2 + 2 + 0 + 615 + 2 + 32 + 1 + 3 = 666.

206122061523213 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206122061523213 - 2⁴ = 206122061523197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206122061523253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24866443 + ... + 32102711.

It is an arithmetic number, because the mean of its divisors is an integer number (6832413771300).

Almost surely, 2^{206122061523213} is an apocalyptic number.

It is an amenable number.

206122061523213 is a deficient number, since it is larger than the sum of its proper divisors (121833799499187).

206122061523213 is a wasteful number, since it uses less digits than its factorization.

206122061523213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7239082 (or 7239079 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 206122061523213 in words is "two hundred six trillion, one hundred twenty-two billion, sixty-one million, five hundred twenty-three thousand, two hundred thirteen".