12210112111949 has 2 divisors, whose sum is σ = 12210112111950. Its totient is φ = 12210112111948.

The previous prime is 12210112111943. The next prime is 12210112111987. The reversal of 12210112111949 is 94911121101221.

12210112111949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10343492176900 + 1866619935049 = 3216130^2 + 1366243^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210112111949 - 2⁴ = 12210112111933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210112111943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105056055974 + 6105056055975.

It is an arithmetic number, because the mean of its divisors is an integer number (6105056055975).

Almost surely, 2^{12210112111949} is an apocalyptic number.

It is an amenable number.

12210112111949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210112111949 is an equidigital number, since it uses as much as digits as its factorization.

12210112111949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 12210112111949 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, one hundred eleven thousand, nine hundred forty-nine".