12062215505 has 4 divisors (see below), whose sum is σ = 14474658612. Its totient is φ = 9649772400.

The previous prime is 12062215483. The next prime is 12062215589. The reversal of 12062215505 is 50551226021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50551226021 = 3331 ⋅15175991.

It can be written as a sum of positive squares in 2 ways, for example, as 4325429824 + 7736785681 = 65768^2 + 87959^2 .

It is not a de Polignac number, because 12062215505 - 2¹² = 12062211409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1206221546 + ... + 1206221555.

It is an arithmetic number, because the mean of its divisors is an integer number (3618664653).

Almost surely, 2^12062215505 is an apocalyptic number.

It is an amenable number.

12062215505 is a deficient number, since it is larger than the sum of its proper divisors (2412443107).

12062215505 is an equidigital number, since it uses as much as digits as its factorization.

12062215505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412443106.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 12062215505 in words is "twelve billion, sixty-two million, two hundred fifteen thousand, five hundred five".