12205277155 has 8 divisors (see below), whose sum is σ = 14730994512. Its totient is φ = 9707780448.

The previous prime is 12205277153. The next prime is 12205277219. The reversal of 12205277155 is 55177250221.

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 12205277155 - 2¹ = 12205277153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12205277153) 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, 7054209 + ... + 7055938.

It is an arithmetic number, because the mean of its divisors is an integer number (1841374314).

Almost surely, 2^12205277155 is an apocalyptic number.

12205277155 is a deficient number, since it is larger than the sum of its proper divisors (2525717357).

12205277155 is a wasteful number, since it uses less digits than its factorization.

12205277155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110325.

The product of its (nonzero) digits is 49000, while the sum is 37.

The spelling of 12205277155 in words is "twelve billion, two hundred five million, two hundred seventy-seven thousand, one hundred fifty-five".