1323215134215 has 32 divisors (see below), whose sum is σ = 2341623135936. Its totient is φ = 633822796800.

The previous prime is 1323215134207. The next prime is 1323215134223. The reversal of 1323215134215 is 5124315123231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1323215134207) and next prime (1323215134223).

It is not a de Polignac number, because 1323215134215 - 2³ = 1323215134207 is a prime.

It is a super-3 number, since 3×1323215134215³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91691686 + ... + 91706115.

It is an arithmetic number, because the mean of its divisors is an integer number (73175722998).

Almost surely, 2^{1323215134215} is an apocalyptic number.

1323215134215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1323215134215 is a deficient number, since it is larger than the sum of its proper divisors (1018408001721).

1323215134215 is a wasteful number, since it uses less digits than its factorization.

1323215134215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183397859.

The product of its digits is 21600, while the sum is 33.

The spelling of 1323215134215 in words is "one trillion, three hundred twenty-three billion, two hundred fifteen million, one hundred thirty-four thousand, two hundred fifteen".