12210502505 has 16 divisors (see below), whose sum is σ = 14772824064. Its totient is φ = 9688459200.

The previous prime is 12210502463. The next prime is 12210502523. The reversal of 12210502505 is 50520501221.

It is not a de Polignac number, because 12210502505 - 2⁶ = 12210502441 is a prime.

It is a super-2 number, since 2×12210502505² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480632 + ... + 505398.

It is an arithmetic number, because the mean of its divisors is an integer number (923301504).

Almost surely, 2^12210502505 is an apocalyptic number.

It is an amenable number.

12210502505 is a deficient number, since it is larger than the sum of its proper divisors (2562321559).

12210502505 is a wasteful number, since it uses less digits than its factorization.

12210502505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 12210502505 in words is "twelve billion, two hundred ten million, five hundred two thousand, five hundred five".