12220606006532 has 96 divisors (see below), whose sum is σ = 27359502299136. Its totient is φ = 4637885011200.

The previous prime is 12220606006519. The next prime is 12220606006537. The reversal of 12220606006532 is 23560060602221.

It is a super-2 number, since 2×12220606006532² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220606006492 and 12220606006501.

It is not an unprimeable number, because it can be changed into a prime (12220606006537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053968 + ... + 5054904.

It is an arithmetic number, because the mean of its divisors is an integer number (284994815616).

Almost surely, 2^{12220606006532} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220606006532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13679751149568).

12220606006532 is an abundant number, since it is smaller than the sum of its proper divisors (15138896292604).

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

12220606006532 is a wasteful number, since it uses less digits than its factorization.

12220606006532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001217 (or 4001215 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 12220606006532 its reverse (23560060602221), we get a palindrome (35780666608753).

The spelling of 12220606006532 in words is "twelve trillion, two hundred twenty billion, six hundred six million, six thousand, five hundred thirty-two".