12210011211949 has 2 divisors, whose sum is σ = 12210011211950. Its totient is φ = 12210011211948.

The previous prime is 12210011211929. The next prime is 12210011212081. The reversal of 12210011211949 is 94911211001221.

12210011211949 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., 11062342520100 + 1147668691849 = 3326010^2 + 1071293^2 .

It is an emirp because it is prime and its reverse (94911211001221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210011211949 - 2⁵ = 12210011211917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210011211929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105005605974 + 6105005605975.

It is an arithmetic number, because the mean of its divisors is an integer number (6105005605975).

Almost surely, 2^{12210011211949} is an apocalyptic number.

It is an amenable number.

12210011211949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210011211949 is an equidigital number, since it uses as much as digits as its factorization.

12210011211949 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 34.

The spelling of 12210011211949 in words is "twelve trillion, two hundred ten billion, eleven million, two hundred eleven thousand, nine hundred forty-nine".