1206206506239 has 24 divisors (see below), whose sum is σ = 1871897068080. Its totient is φ = 688875433344.

The previous prime is 1206206506213. The next prime is 1206206506357. The reversal of 1206206506239 is 9326056026021.

It is a happy number.

It is not a de Polignac number, because 1206206506239 - 2⁷ = 1206206506111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1206206506239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206206507239) 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, 2030334 + ... + 2556299.

It is an arithmetic number, because the mean of its divisors is an integer number (77995711170).

Almost surely, 2^{1206206506239} is an apocalyptic number.

1206206506239 is a deficient number, since it is larger than the sum of its proper divisors (665690561841).

1206206506239 is a wasteful number, since it uses less digits than its factorization.

1206206506239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588439 (or 4588432 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 1206206506239 in words is "one trillion, two hundred six billion, two hundred six million, five hundred six thousand, two hundred thirty-nine".