1306122543366 has 16 divisors (see below), whose sum is σ = 2612333571888. Its totient is φ = 435359433600.

The previous prime is 1306122543361. The next prime is 1306122543371. The reversal of 1306122543366 is 6633452216031.

It is an interprime number because it is at equal distance from previous prime (1306122543361) and next prime (1306122543371).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306122543361) 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, 3494215 + ... + 3849906.

It is an arithmetic number, because the mean of its divisors is an integer number (163270848243).

Almost surely, 2^{1306122543366} is an apocalyptic number.

1306122543366 is an abundant number, since it is smaller than the sum of its proper divisors (1306211028522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306122543366 is a wasteful number, since it uses less digits than its factorization.

1306122543366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373767.

The product of its (nonzero) digits is 466560, while the sum is 42.

Adding to 1306122543366 its reverse (6633452216031), we get a palindrome (7939574759397).

The spelling of 1306122543366 in words is "one trillion, three hundred six billion, one hundred twenty-two million, five hundred forty-three thousand, three hundred sixty-six".