1205727744242 has 192 divisors, whose sum is σ = 2319670628352. Its totient is φ = 466712064000.

The previous prime is 1205727744241. The next prime is 1205727744349. The reversal of 1205727744242 is 2424477275021.

It is not an unprimeable number, because it can be changed into a prime (1205727744241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1136406392 + ... + 1136407452.

It is an arithmetic number, because the mean of its divisors is an integer number (12081617856).

Almost surely, 2^{1205727744242} is an apocalyptic number.

1205727744242 is a deficient number, since it is larger than the sum of its proper divisors (1113942884110).

1205727744242 is a wasteful number, since it uses less digits than its factorization.

1205727744242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 47.

The spelling of 1205727744242 in words is "one trillion, two hundred five billion, seven hundred twenty-seven million, seven hundred forty-four thousand, two hundred forty-two".