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12020122330 = 257316465921
BaseRepresentation
bin10110011000111010…
…01000001011011010
31011000200222110222221
423030131020023122
5144104122403310
65304424534254
7603604232266
oct131435101332
934020873887
1012020122330
1151090558a7
1223b562138a
13119738b828
148205790a6
154a53e7ada
hex2cc7482da

12020122330 has 16 divisors (see below), whose sum is σ = 21932608104. Its totient is φ = 4742184960.

The previous prime is 12020122297. The next prime is 12020122363. The reversal of 12020122330 is 3322102021.

It is an interprime number because it is at equal distance from previous prime (12020122297) and next prime (12020122363).

It can be written as a sum of positive squares in 4 ways, for example, as 10633528161 + 1386594169 = 103119^2 + 37237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8232231 + ... + 8233690.

Almost surely, 212020122330 is an apocalyptic number.

12020122330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020122330 is a deficient number, since it is larger than the sum of its proper divisors (9912485774).

12020122330 is a wasteful number, since it uses less digits than its factorization.

12020122330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16466001.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020122330 its reverse (3322102021), we get a palindrome (15342224351).

The spelling of 12020122330 in words is "twelve billion, twenty million, one hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 73 146 365 730 16465921 32931842 82329605 164659210 1202012233 2404024466 6010061165 12020122330