1012223222149 has 2 divisors, whose sum is σ = 1012223222150. Its totient is φ = 1012223222148.

The previous prime is 1012223222137. The next prime is 1012223222249. The reversal of 1012223222149 is 9412223222101.

It is a happy number.

1012223222149 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., 626076562500 + 386146659649 = 791250^2 + 621407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012223222149 - 2⁹ = 1012223221637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012223222149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012223222249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506111611074 + 506111611075.

It is an arithmetic number, because the mean of its divisors is an integer number (506111611075).

Almost surely, 2^{1012223222149} is an apocalyptic number.

It is an amenable number.

1012223222149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012223222149 is an equidigital number, since it uses as much as digits as its factorization.

1012223222149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 1012223222149 in words is "one trillion, twelve billion, two hundred twenty-three million, two hundred twenty-two thousand, one hundred forty-nine".