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12011012130 = 2351337978111
BaseRepresentation
bin10110010111110100…
…11000000000100010
31011000001211122011010
423023322120000202
5144044304342010
65303501401350
7603433630035
oct131372300042
934001748133
1012011012130
1151039a3207
1223b2569256
13119551bc90
1481d28701c
154a46e8620
hex2cbe98022

12011012130 has 64 divisors (see below), whose sum is σ = 31055851008. Its totient is φ = 2955413760.

The previous prime is 12011012129. The next prime is 12011012171. The reversal of 12011012130 is 3121011021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476775 + ... + 1484885.

It is an arithmetic number, because the mean of its divisors is an integer number (485247672).

Almost surely, 212011012130 is an apocalyptic number.

12011012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011012130 is an abundant number, since it is smaller than the sum of its proper divisors (19044838878).

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

12011012130 is a wasteful number, since it uses less digits than its factorization.

12011012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11931.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 12011012130 its reverse (3121011021), we get a palindrome (15132023151).

The spelling of 12011012130 in words is "twelve billion, eleven million, twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 3797 7594 8111 11391 16222 18985 22782 24333 37970 40555 48666 49361 56955 81110 98722 105443 113910 121665 148083 210886 243330 246805 296166 316329 493610 527215 632658 740415 1054430 1480830 1581645 3163290 30797467 61594934 92392401 153987335 184784802 307974670 400367071 461962005 800734142 923924010 1201101213 2001835355 2402202426 4003670710 6005506065 12011012130