12120200135 has 8 divisors (see below), whose sum is σ = 14544859056. Its totient is φ = 9695747520.

The previous prime is 12120200119. The next prime is 12120200161. The reversal of 12120200135 is 53100202121.

It is a happy number.

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

It is not a de Polignac number, because 12120200135 - 2⁴ = 12120200119 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 147620 + ... + 214550.

It is an arithmetic number, because the mean of its divisors is an integer number (1818107382).

Almost surely, 2^12120200135 is an apocalyptic number.

12120200135 is a deficient number, since it is larger than the sum of its proper divisors (2424658921).

12120200135 is an equidigital number, since it uses as much as digits as its factorization.

12120200135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103153.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 12120200135 its reverse (53100202121), we get a palindrome (65220402256).

The spelling of 12120200135 in words is "twelve billion, one hundred twenty million, two hundred thousand, one hundred thirty-five".