1206899693338 has 4 divisors (see below), whose sum is σ = 1810349540010. Its totient is φ = 603449846668.

The previous prime is 1206899693333. The next prime is 1206899693369. The reversal of 1206899693338 is 8333969986021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 847627724889 + 359271968449 = 920667^2 + 599393^2 .

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1206899693333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301724923333 + ... + 301724923336.

Almost surely, 2^{1206899693338} is an apocalyptic number.

1206899693338 is a deficient number, since it is larger than the sum of its proper divisors (603449846672).

1206899693338 is an equidigital number, since it uses as much as digits as its factorization.

1206899693338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603449846671.

The product of its (nonzero) digits is 90699264, while the sum is 67.

The spelling of 1206899693338 in words is "one trillion, two hundred six billion, eight hundred ninety-nine million, six hundred ninety-three thousand, three hundred thirty-eight".