1213202240297 has 2 divisors, whose sum is σ = 1213202240298. Its totient is φ = 1213202240296.

The previous prime is 1213202240273. The next prime is 1213202240303. The reversal of 1213202240297 is 7920422023121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017120658576 + 196081581721 = 1008524^2 + 442811^2 .

It is a cyclic number.

It is not a de Polignac number, because 1213202240297 - 2²⁰ = 1213201191721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213202240207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606601120148 + 606601120149.

It is an arithmetic number, because the mean of its divisors is an integer number (606601120149).

Almost surely, 2^{1213202240297} is an apocalyptic number.

It is an amenable number.

1213202240297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213202240297 is an equidigital number, since it uses as much as digits as its factorization.

1213202240297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1213202240297 in words is "one trillion, two hundred thirteen billion, two hundred two million, two hundred forty thousand, two hundred ninety-seven".