12152220909243 has 4 divisors (see below), whose sum is σ = 16202961212328. Its totient is φ = 8101480606160.

The previous prime is 12152220909229. The next prime is 12152220909247. The reversal of 12152220909243 is 34290902225121.

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 12152220909243 - 2²¹ = 12152218812091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12152220909195 and 12152220909204.

It is not an unprimeable number, because it can be changed into a prime (12152220909247) 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, 2025370151538 + ... + 2025370151543.

It is an arithmetic number, because the mean of its divisors is an integer number (4050740303082).

Almost surely, 2^{12152220909243} is an apocalyptic number.

12152220909243 is a deficient number, since it is larger than the sum of its proper divisors (4050740303085).

12152220909243 is an equidigital number, since it uses as much as digits as its factorization.

12152220909243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050740303084.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 12152220909243 in words is "twelve trillion, one hundred fifty-two billion, two hundred twenty million, nine hundred nine thousand, two hundred forty-three".