1306122363215 has 8 divisors (see below), whose sum is σ = 1568202852768. Its totient is φ = 1044327212640.

The previous prime is 1306122363211. The next prime is 1306122363253. The reversal of 1306122363215 is 5123632216031.

It is a happy number.

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

It is not a de Polignac number, because 1306122363215 - 2² = 1306122363211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306122363211) 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, 71324672 + ... + 71342981.

It is an arithmetic number, because the mean of its divisors is an integer number (196025356596).

Almost surely, 2^{1306122363215} is an apocalyptic number.

1306122363215 is a deficient number, since it is larger than the sum of its proper divisors (262080489553).

1306122363215 is a wasteful number, since it uses less digits than its factorization.

1306122363215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142669489.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 1306122363215 its reverse (5123632216031), we get a palindrome (6429754579246).

The spelling of 1306122363215 in words is "one trillion, three hundred six billion, one hundred twenty-two million, three hundred sixty-three thousand, two hundred fifteen".