12155053201 has 2 divisors, whose sum is σ = 12155053202. Its totient is φ = 12155053200.

The previous prime is 12155053199. The next prime is 12155053237. The reversal of 12155053201 is 10235055121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10424410000 + 1730643201 = 102100^2 + 41601^2 .

It is an emirp because it is prime and its reverse (10235055121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12155053201 - 2¹ = 12155053199 is a prime.

Together with 12155053199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12155054201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6077526600 + 6077526601.

It is an arithmetic number, because the mean of its divisors is an integer number (6077526601).

Almost surely, 2^12155053201 is an apocalyptic number.

It is an amenable number.

12155053201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12155053201 is an equidigital number, since it uses as much as digits as its factorization.

12155053201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 12155053201 in words is "twelve billion, one hundred fifty-five million, fifty-three thousand, two hundred one".