12101655001 has 2 divisors, whose sum is σ = 12101655002. Its totient is φ = 12101655000.

The previous prime is 12101654993. The next prime is 12101655011. The reversal of 12101655001 is 10055610121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9123115225 + 2978539776 = 95515^2 + 54576^2 .

It is an emirp because it is prime and its reverse (10055610121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101655001 - 2³ = 12101654993 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101655011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050827500 + 6050827501.

It is an arithmetic number, because the mean of its divisors is an integer number (6050827501).

Almost surely, 2^12101655001 is an apocalyptic number.

It is an amenable number.

12101655001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101655001 is an equidigital number, since it uses as much as digits as its factorization.

12101655001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 12101655001 in words is "twelve billion, one hundred one million, six hundred fifty-five thousand, one".