1213733173215 has 8 divisors (see below), whose sum is σ = 1941973077168. Its totient is φ = 647324359040.

The previous prime is 1213733173199. The next prime is 1213733173223. The reversal of 1213733173215 is 5123713373121.

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

It is not a de Polignac number, because 1213733173215 - 2⁴ = 1213733173199 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, 40457772426 + ... + 40457772455.

It is an arithmetic number, because the mean of its divisors is an integer number (242746634646).

Almost surely, 2^{1213733173215} is an apocalyptic number.

1213733173215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1213733173215 is a deficient number, since it is larger than the sum of its proper divisors (728239903953).

1213733173215 is an equidigital number, since it uses as much as digits as its factorization.

1213733173215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80915544889.

The product of its digits is 79380, while the sum is 39.

The spelling of 1213733173215 in words is "one trillion, two hundred thirteen billion, seven hundred thirty-three million, one hundred seventy-three thousand, two hundred fifteen".