1213325312055 has 8 divisors (see below), whose sum is σ = 1941320499312. Its totient is φ = 647106833088.

The previous prime is 1213325312041. The next prime is 1213325312063. The reversal of 1213325312055 is 5502135233121.

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

It is not a de Polignac number, because 1213325312055 - 2²⁹ = 1212788441143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40444177054 + ... + 40444177083.

It is an arithmetic number, because the mean of its divisors is an integer number (242665062414).

Almost surely, 2^{1213325312055} is an apocalyptic number.

1213325312055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213325312055 is a deficient number, since it is larger than the sum of its proper divisors (727995187257).

1213325312055 is an equidigital number, since it uses as much as digits as its factorization.

1213325312055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80888354145.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 1213325312055 in words is "one trillion, two hundred thirteen billion, three hundred twenty-five million, three hundred twelve thousand, fifty-five".