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12032203020 = 22351031194507
BaseRepresentation
bin10110011010010110…
…01101100100001100
31011001112201020120220
423031023031210030
5144120220444040
65305535511340
7604112016045
oct131513154414
934045636526
1012032203020
115114957242
1223b9688550
131199a2b476
148220018cc
154a64d22d0
hex2cd2cd90c

12032203020 has 48 divisors (see below), whose sum is σ = 33723019008. Its totient is φ = 3205458880.

The previous prime is 12032202997. The next prime is 12032203021. The reversal of 12032203020 is 2030223021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (12032203021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35394 + ... + 159113.

It is an arithmetic number, because the mean of its divisors is an integer number (702562896).

Almost surely, 212032203020 is an apocalyptic number.

12032203020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12032203020 is an abundant number, since it is smaller than the sum of its proper divisors (21690815988).

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

12032203020 is a wasteful number, since it uses less digits than its factorization.

12032203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195550 (or 195548 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12032203020 its reverse (2030223021), we get a palindrome (14062426041).

The spelling of 12032203020 in words is "twelve billion, thirty-two million, two hundred three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1031 2062 3093 4124 5155 6186 10310 12372 15465 20620 30930 61860 194507 389014 583521 778028 972535 1167042 1945070 2334084 2917605 3890140 5835210 11670420 200536717 401073434 601610151 802146868 1002683585 1203220302 2005367170 2406440604 3008050755 4010734340 6016101510 12032203020