206122219039 has 8 divisors (see below), whose sum is σ = 224880862032. Its totient is φ = 187366952640.

The previous prime is 206122219019. The next prime is 206122219067. The reversal of 206122219039 is 930912221602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206122219039 - 2¹⁵ = 206122186271 is a prime.

It is a super-2 number, since 2×206122219039² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206122218989 and 206122219007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206122219019) 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, 715654 + ... + 961459.

It is an arithmetic number, because the mean of its divisors is an integer number (28110107754).

Almost surely, 2^206122219039 is an apocalyptic number.

206122219039 is a deficient number, since it is larger than the sum of its proper divisors (18758642993).

206122219039 is a wasteful number, since it uses less digits than its factorization.

206122219039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688297.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 206122219039 in words is "two hundred six billion, one hundred twenty-two million, two hundred nineteen thousand, thirty-nine".