1201001112149 has 2 divisors, whose sum is σ = 1201001112150. Its totient is φ = 1201001112148.

The previous prime is 1201001112121. The next prime is 1201001112197. The reversal of 1201001112149 is 9412111001021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 775007319025 + 425993793124 = 880345^2 + 652682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201001112149 - 2¹² = 1201001108053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201001112049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600500556074 + 600500556075.

It is an arithmetic number, because the mean of its divisors is an integer number (600500556075).

Almost surely, 2^{1201001112149} is an apocalyptic number.

It is an amenable number.

1201001112149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201001112149 is an equidigital number, since it uses as much as digits as its factorization.

1201001112149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1201001112149 in words is "one trillion, two hundred one billion, one million, one hundred twelve thousand, one hundred forty-nine".