1220114142449 has 2 divisors, whose sum is σ = 1220114142450. Its totient is φ = 1220114142448.

The previous prime is 1220114142323. The next prime is 1220114142451. The reversal of 1220114142449 is 9442414110221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639976000225 + 580138142224 = 799985^2 + 761668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220114142449 is a prime.

Together with 1220114142451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1220114142469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610057071224 + 610057071225.

It is an arithmetic number, because the mean of its divisors is an integer number (610057071225).

Almost surely, 2^{1220114142449} is an apocalyptic number.

It is an amenable number.

1220114142449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220114142449 is an equidigital number, since it uses as much as digits as its factorization.

1220114142449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 1220114142449 in words is "one trillion, two hundred twenty billion, one hundred fourteen million, one hundred forty-two thousand, four hundred forty-nine".