3213205145515 has 8 divisors (see below), whose sum is σ = 3855995670960. Its totient is φ = 2570464452192.

The previous prime is 3213205145503. The next prime is 3213205145533. The reversal of 3213205145515 is 5155415023123.

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

It is a cyclic number.

It is not a de Polignac number, because 3213205145515 - 2²⁵ = 3213171591083 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12316024 + ... + 12574213.

It is an arithmetic number, because the mean of its divisors is an integer number (481999458870).

Almost surely, 2^{3213205145515} is an apocalyptic number.

3213205145515 is a deficient number, since it is larger than the sum of its proper divisors (642790525445).

3213205145515 is a wasteful number, since it uses less digits than its factorization.

3213205145515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24916061.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 3213205145515 in words is "three trillion, two hundred thirteen billion, two hundred five million, one hundred forty-five thousand, five hundred fifteen".