1203211113149 has 2 divisors, whose sum is σ = 1203211113150. Its totient is φ = 1203211113148.

The previous prime is 1203211113133. The next prime is 1203211113193. The reversal of 1203211113149 is 9413111123021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 716714628100 + 486496485049 = 846590^2 + 697493^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203211113149 - 2⁴ = 1203211113133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203211113119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601605556574 + 601605556575.

It is an arithmetic number, because the mean of its divisors is an integer number (601605556575).

Almost surely, 2^{1203211113149} is an apocalyptic number.

It is an amenable number.

1203211113149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203211113149 is an equidigital number, since it uses as much as digits as its factorization.

1203211113149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 1203211113149 in words is "one trillion, two hundred three billion, two hundred eleven million, one hundred thirteen thousand, one hundred forty-nine".