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12201223104 = 26347834051
BaseRepresentation
bin10110101110011111…
…11110001111000000
31011111022202100120000
423113033332033000
5144442003114404
65334414320000
7611233454010
oct132717761700
934438670500
1012201223104
1151a12aa564
1224461b9000
1311c5a59755
1483a63bc40
154b626c339
hex2d73fe3c0

12201223104 has 280 divisors, whose sum is σ = 41843480448. Its totient is φ = 3443212800.

The previous prime is 12201223063. The next prime is 12201223117. The reversal of 12201223104 is 40132210221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 3009879 + ... + 3013929.

Almost surely, 212201223104 is an apocalyptic number.

12201223104 is a gapful number since it is divisible by the number (14) 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 12201223104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20921740224).

12201223104 is an abundant number, since it is smaller than the sum of its proper divisors (29642257344).

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

12201223104 is an equidigital number, since it uses as much as digits as its factorization.

12201223104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4146 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12201223104 its reverse (40132210221), we get a palindrome (52333433325).

The spelling of 12201223104 in words is "twelve billion, two hundred one million, two hundred twenty-three thousand, one hundred four".