Search a number
-
+
12112303120 = 245154398123
BaseRepresentation
bin10110100011111001…
…10001010000010000
31011021010102202021021
423101330301100100
5144301222144440
65321520405224
7606103610041
oct132174612020
934233382237
1012112303120
115156096675
122420476814
1311b04c5288
1482c8d28c8
154ad55584a
hex2d1f31410

12112303120 has 40 divisors (see below), whose sum is σ = 28179642816. Its totient is φ = 4841731968.

The previous prime is 12112303031. The next prime is 12112303127. The reversal of 12112303120 is 2130321121.

12112303120 = 111852 + 111862 + ... + 112802.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12112303094 and 12112303103.

It is not an unprimeable number, because it can be changed into a prime (12112303127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74379 + ... + 172501.

Almost surely, 212112303120 is an apocalyptic number.

12112303120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12112303120 is an abundant number, since it is smaller than the sum of its proper divisors (16067339696).

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

12112303120 is a wasteful number, since it uses less digits than its factorization.

12112303120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99679 (or 99673 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12112303120 its reverse (2130321121), we get a palindrome (14242624241).

The spelling of 12112303120 in words is "twelve billion, one hundred twelve million, three hundred three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1543 3086 6172 7715 12344 15430 24688 30860 61720 98123 123440 196246 392492 490615 784984 981230 1569968 1962460 3924920 7849840 151403789 302807578 605615156 757018945 1211230312 1514037890 2422460624 3028075780 6056151560 12112303120