1201112002049 has 2 divisors, whose sum is σ = 1201112002050. Its totient is φ = 1201112002048.

The previous prime is 1201112001977. The next prime is 1201112002093. The reversal of 1201112002049 is 9402002111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651983577025 + 549128425024 = 807455^2 + 741032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201112002049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201112002099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600556001024 + 600556001025.

It is an arithmetic number, because the mean of its divisors is an integer number (600556001025).

Almost surely, 2^{1201112002049} is an apocalyptic number.

It is an amenable number.

1201112002049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201112002049 is an equidigital number, since it uses as much as digits as its factorization.

1201112002049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 1201112002049 in words is "one trillion, two hundred one billion, one hundred twelve million, two thousand, forty-nine".