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12120234130 = 254330791813
BaseRepresentation
bin10110100100110110…
…00001100010010010
31011021200100200120101
423102123001202102
5144310234443010
65322402403014
7606231201364
oct132233014222
934250320511
1012120234130
11515a613324
12242306046a
1311b2041194
1482d998d34
154ae0c073a
hex2d26c1892

12120234130 has 32 divisors (see below), whose sum is σ = 22396739904. Its totient is φ = 4719871296.

The previous prime is 12120234127. The next prime is 12120234157. The reversal of 12120234130 is 3143202121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12120234098 and 12120234107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86104 + ... + 177916.

It is an arithmetic number, because the mean of its divisors is an integer number (699898122).

Almost surely, 212120234130 is an apocalyptic number.

12120234130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120234130 is a deficient number, since it is larger than the sum of its proper divisors (10276505774).

12120234130 is a wasteful number, since it uses less digits than its factorization.

12120234130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92170.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12120234130 its reverse (3143202121), we get a palindrome (15263436251).

The spelling of 12120234130 in words is "twelve billion, one hundred twenty million, two hundred thirty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 43 86 215 307 430 614 1535 3070 13201 26402 66005 91813 132010 183626 459065 918130 3947959 7895918 19739795 28186591 39479590 56373182 140932955 281865910 1212023413 2424046826 6060117065 12120234130