1206120520595 has 4 divisors (see below), whose sum is σ = 1447344624720. Its totient is φ = 964896416472.

The previous prime is 1206120520547. The next prime is 1206120520603. The reversal of 1206120520595 is 5950250216021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1206120520595 - 2²² = 1206116326291 is a prime.

It is a super-3 number, since 3×1206120520595³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120612052055 + ... + 120612052064.

It is an arithmetic number, because the mean of its divisors is an integer number (361836156180).

Almost surely, 2^{1206120520595} is an apocalyptic number.

1206120520595 is a deficient number, since it is larger than the sum of its proper divisors (241224104125).

1206120520595 is an equidigital number, since it uses as much as digits as its factorization.

1206120520595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241224104124.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 1206120520595 in words is "one trillion, two hundred six billion, one hundred twenty million, five hundred twenty thousand, five hundred ninety-five".