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12210300000 = 25325513567
BaseRepresentation
bin10110101111100101…
…00110010001100000
31011111221211111201100
423113302212101200
5200001314100000
65335341034400
7611403560163
oct132762462140
934457744640
1012210300000
1151a643a128
122449255a00
1311c78b70b2
1483b921ada
154b6e61a00
hex2d7ca6460

12210300000 has 216 divisors, whose sum is σ = 43404221952. Its totient is φ = 3255840000.

The previous prime is 12210299989. The next prime is 12210300059. The reversal of 12210300000 is 301221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 893217 + ... + 906783.

It is an arithmetic number, because the mean of its divisors is an integer number (200945472).

Almost surely, 212210300000 is an apocalyptic number.

12210300000 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 12210300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21702110976).

12210300000 is an abundant number, since it is smaller than the sum of its proper divisors (31193921952).

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

12210300000 is an equidigital number, since it uses as much as digits as its factorization.

12210300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13608 (or 13577 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12210300000 its reverse (301221), we get a palindrome (12210601221).

The spelling of 12210300000 in words is "twelve billion, two hundred ten million, three hundred thousand".