12208011552 has 240 divisors, whose sum is σ = 39557149632. Its totient is φ = 3662599680.

The previous prime is 12208011527. The next prime is 12208011589. The reversal of 12208011552 is 25511080221.

It is a happy number.

12208011552 is a `hidden beast` number, since 1 + 2 + 20 + 80 + 11 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2934658 + ... + 2938814.

Almost surely, 2^12208011552 is an apocalyptic number.

12208011552 is a gapful number since it is divisible by the number (12) 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 12208011552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19778574816).

12208011552 is an abundant number, since it is smaller than the sum of its proper divisors (27349138080).

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

12208011552 is a wasteful number, since it uses less digits than its factorization.

12208011552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293 (or 4276 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 12208011552 its reverse (25511080221), we get a palindrome (37719091773).

The spelling of 12208011552 in words is "twelve billion, two hundred eight million, eleven thousand, five hundred fifty-two".