1243340200097 has 8 divisors (see below), whose sum is σ = 1247319321600. Its totient is φ = 1239366292704.

The previous prime is 1243340200057. The next prime is 1243340200153. The reversal of 1243340200097 is 7900020433421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1243340200097 - 2³⁶ = 1174620723361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243340200057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825572 + ... + 1779957.

It is an arithmetic number, because the mean of its divisors is an integer number (155914915200).

Almost surely, 2^{1243340200097} is an apocalyptic number.

It is an amenable number.

1243340200097 is a deficient number, since it is larger than the sum of its proper divisors (3979121503).

1243340200097 is a wasteful number, since it uses less digits than its factorization.

1243340200097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607055.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 1243340200097 in words is "one trillion, two hundred forty-three billion, three hundred forty million, two hundred thousand, ninety-seven".