2012111120249 has 2 divisors, whose sum is σ = 2012111120250. Its totient is φ = 2012111120248.

The previous prime is 2012111120207. The next prime is 2012111120269. The reversal of 2012111120249 is 9420211112102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633692985600 + 378418134649 = 1278160^2 + 615157^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012111120249 - 2²⁴ = 2012094343033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012111120269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006055560124 + 1006055560125.

It is an arithmetic number, because the mean of its divisors is an integer number (1006055560125).

Almost surely, 2^{2012111120249} is an apocalyptic number.

It is an amenable number.

2012111120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012111120249 is an equidigital number, since it uses as much as digits as its factorization.

2012111120249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 2012111120249 in words is "two trillion, twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred forty-nine".