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12130411302 = 2321749180737
BaseRepresentation
bin10110100110000011…
…10110001100100110
31011022101111202000200
423103001312030212
5144320341130202
65323404451330
7606413536422
oct132301661446
934271452020
1012130411302
115165334609
122426549b46
1311b4195589
14831087b82
154aee30e1c
hex2d3076326

12130411302 has 48 divisors (see below), whose sum is σ = 27885613392. Its totient is φ = 3797821440.

The previous prime is 12130411297. The next prime is 12130411303. The reversal of 12130411302 is 20311403121.

12130411302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130411303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109878 + ... + 190614.

It is an arithmetic number, because the mean of its divisors is an integer number (580950279).

Almost surely, 212130411302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12130411302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13942806696).

12130411302 is an abundant number, since it is smaller than the sum of its proper divisors (15755202090).

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

12130411302 is a wasteful number, since it uses less digits than its factorization.

12130411302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81253 (or 81250 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12130411302 its reverse (20311403121), we get a palindrome (32441814423).

The spelling of 12130411302 in words is "twelve billion, one hundred thirty million, four hundred eleven thousand, three hundred two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 491 982 1473 2946 4419 8347 8838 16694 25041 50082 75123 80737 150246 161474 242211 484422 726633 1372529 1453266 2745058 4117587 8235174 12352761 24705522 39641867 79283734 118925601 237851202 356776803 673911739 713553606 1347823478 2021735217 4043470434 6065205651 12130411302