1206442191347 has 2 divisors, whose sum is σ = 1206442191348. Its totient is φ = 1206442191346.

The previous prime is 1206442191343. The next prime is 1206442191373. The reversal of 1206442191347 is 7431912446021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1206442191347 - 2² = 1206442191343 is a prime.

It is a super-2 number, since 2×1206442191347² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1206442191298 and 1206442191307.

It is not a weakly prime, because it can be changed into another prime (1206442191343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603221095673 + 603221095674.

It is an arithmetic number, because the mean of its divisors is an integer number (603221095674).

Almost surely, 2^{1206442191347} is an apocalyptic number.

1206442191347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206442191347 is an equidigital number, since it uses as much as digits as its factorization.

1206442191347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 1206442191347 in words is "one trillion, two hundred six billion, four hundred forty-two million, one hundred ninety-one thousand, three hundred forty-seven".