12206532646 has 32 divisors (see below), whose sum is σ = 22858175232. Its totient is φ = 4749464160.

The previous prime is 12206532641. The next prime is 12206532647. The reversal of 12206532646 is 64623560221.

It is a super-2 number, since 2×12206532646² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206532641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64225 + ... + 168931.

It is an arithmetic number, because the mean of its divisors is an integer number (714317976).

Almost surely, 2^12206532646 is an apocalyptic number.

12206532646 is a deficient number, since it is larger than the sum of its proper divisors (10651642586).

12206532646 is a wasteful number, since it uses less digits than its factorization.

12206532646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105484.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 12206532646 in words is "twelve billion, two hundred six million, five hundred thirty-two thousand, six hundred forty-six".