120712356282169 has 4 divisors (see below), whose sum is σ = 120827430026100. Its totient is φ = 120597282538240.

The previous prime is 120712356282143. The next prime is 120712356282223. The reversal of 120712356282169 is 961282653217021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74586023142400 + 46126333139769 = 8636320^2 + 6791637^2 .

It is a cyclic number.

It is not a de Polignac number, because 120712356282169 - 2¹⁹ = 120712355757881 is a prime.

It is a super-2 number, since 2×120712356282169² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120712356286169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57536870392 + ... + 57536872489.

It is an arithmetic number, because the mean of its divisors is an integer number (30206857506525).

Almost surely, 2^{120712356282169} is an apocalyptic number.

It is an amenable number.

120712356282169 is a deficient number, since it is larger than the sum of its proper divisors (115073743931).

120712356282169 is a wasteful number, since it uses less digits than its factorization.

120712356282169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115073743930.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 120712356282169 in words is "one hundred twenty trillion, seven hundred twelve billion, three hundred fifty-six million, two hundred eighty-two thousand, one hundred sixty-nine".