12210540515 has 8 divisors (see below), whose sum is σ = 14691312240. Its totient is φ = 9742656672.

The previous prime is 12210540481. The next prime is 12210540527. The reversal of 12210540515 is 51504501221.

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 12210540515 - 2⁸ = 12210540259 is a prime.

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, 3219884 + ... + 3223673.

It is an arithmetic number, because the mean of its divisors is an integer number (1836414030).

Almost surely, 2^12210540515 is an apocalyptic number.

12210540515 is a deficient number, since it is larger than the sum of its proper divisors (2480771725).

12210540515 is an equidigital number, since it uses as much as digits as its factorization.

12210540515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443941.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12210540515 in words is "twelve billion, two hundred ten million, five hundred forty thousand, five hundred fifteen".