12206686670220 has 192 divisors, whose sum is σ = 39163319838720. Its totient is φ = 2782826606592.

The previous prime is 12206686670209. The next prime is 12206686670231. The reversal of 12206686670220 is 2207668660221.

It is an interprime number because it is at equal distance from previous prime (12206686670209) and next prime (12206686670231).

It is a self number, because there is not a number n which added to its sum of digits gives 12206686670220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 357646116 + ... + 357680244.

It is an arithmetic number, because the mean of its divisors is an integer number (203975624160).

Almost surely, 2^{12206686670220} is an apocalyptic number.

12206686670220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12206686670220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19581659919360).

12206686670220 is an abundant number, since it is smaller than the sum of its proper divisors (26956633168500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12206686670220 is a wasteful number, since it uses less digits than its factorization.

12206686670220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36344 (or 36342 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 12206686670220 in words is "twelve trillion, two hundred six billion, six hundred eighty-six million, six hundred seventy thousand, two hundred twenty".