12261646460245 has 16 divisors (see below), whose sum is σ = 18109508618880. Its totient is φ = 7761217978944.

The previous prime is 12261646460209. The next prime is 12261646460257. The reversal of 12261646460245 is 54206464616221.

12261646460245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12261646460245 - 2¹⁵ = 12261646427477 is a prime.

It is a super-3 number, since 3×12261646460245³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13474336315 + ... + 13474337224.

It is an arithmetic number, because the mean of its divisors is an integer number (1131844288680).

Almost surely, 2^{12261646460245} is an apocalyptic number.

It is an amenable number.

12261646460245 is a deficient number, since it is larger than the sum of its proper divisors (5847862158635).

12261646460245 is a wasteful number, since it uses less digits than its factorization.

12261646460245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26948673564.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 12261646460245 in words is "twelve trillion, two hundred sixty-one billion, six hundred forty-six million, four hundred sixty thousand, two hundred forty-five".