12210538892247 has 12 divisors (see below), whose sum is σ = 17638503128064. Its totient is φ = 8139870925440.

The previous prime is 12210538892177. The next prime is 12210538892261. The reversal of 12210538892247 is 74229883501221.

It is a happy number.

12210538892247 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 0 + 538 + 89 + 2 + 24 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12210538892247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210538892193 and 12210538892202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210538892287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40536279 + ... + 40836392.

It is an arithmetic number, because the mean of its divisors is an integer number (1469875260672).

Almost surely, 2^{12210538892247} is an apocalyptic number.

12210538892247 is a deficient number, since it is larger than the sum of its proper divisors (5427964235817).

12210538892247 is a wasteful number, since it uses less digits than its factorization.

12210538892247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81389350 (or 81389347 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 12210538892247 in words is "twelve trillion, two hundred ten billion, five hundred thirty-eight million, eight hundred ninety-two thousand, two hundred forty-seven".