12039815201 has 2 divisors, whose sum is σ = 12039815202. Its totient is φ = 12039815200.

The previous prime is 12039815171. The next prime is 12039815213. The reversal of 12039815201 is 10251893021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11951736976 + 88078225 = 109324^2 + 9385^2 .

It is a cyclic number.

It is not a de Polignac number, because 12039815201 - 2²² = 12035620897 is a prime.

It is not a weakly prime, because it can be changed into another prime (12039815261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6019907600 + 6019907601.

It is an arithmetic number, because the mean of its divisors is an integer number (6019907601).

Almost surely, 2^12039815201 is an apocalyptic number.

It is an amenable number.

12039815201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12039815201 is an equidigital number, since it uses as much as digits as its factorization.

12039815201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 32.

The spelling of 12039815201 in words is "twelve billion, thirty-nine million, eight hundred fifteen thousand, two hundred one".