12012002109853 has 2 divisors, whose sum is σ = 12012002109854. Its totient is φ = 12012002109852.

The previous prime is 12012002109823. The next prime is 12012002109883. The reversal of 12012002109853 is 35890120021021.

It is a balanced prime because it is at equal distance from previous prime (12012002109823) and next prime (12012002109883).

It can be written as a sum of positive squares in only one way, i.e., 11487510398329 + 524491711524 = 3389323^2 + 724218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12012002109853 is a prime.

It is a super-2 number, since 2×12012002109853² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012002109823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006001054926 + 6006001054927.

It is an arithmetic number, because the mean of its divisors is an integer number (6006001054927).

Almost surely, 2^{12012002109853} is an apocalyptic number.

It is an amenable number.

12012002109853 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012002109853 is an equidigital number, since it uses as much as digits as its factorization.

12012002109853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 12012002109853 in words is "twelve trillion, twelve billion, two million, one hundred nine thousand, eight hundred fifty-three".