12002378501 has 2 divisors, whose sum is σ = 12002378502. Its totient is φ = 12002378500.

The previous prime is 12002378461. The next prime is 12002378503. The reversal of 12002378501 is 10587320021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11584216900 + 418161601 = 107630^2 + 20449^2 .

It is an emirp because it is prime and its reverse (10587320021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12002378501 - 2²⁶ = 11935269637 is a prime.

Together with 12002378503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002378503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001189250 + 6001189251.

It is an arithmetic number, because the mean of its divisors is an integer number (6001189251).

Almost surely, 2^12002378501 is an apocalyptic number.

It is an amenable number.

12002378501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002378501 is an equidigital number, since it uses as much as digits as its factorization.

12002378501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 12002378501 its reverse (10587320021), we get a palindrome (22589698522).

The spelling of 12002378501 in words is "twelve billion, two million, three hundred seventy-eight thousand, five hundred one".