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12020130120 = 2335635315767
BaseRepresentation
bin10110011000111010…
…01010000101001000
31011000200222212200110
423030131022011020
5144104123130440
65304425034320
7603604264065
oct131435120510
934020885613
1012020130120
115109060739
1223b56259a0
13119739223b
1482057bc6c
154a53ea080
hex2cc74a148

12020130120 has 64 divisors (see below), whose sum is σ = 36068353920. Its totient is φ = 3204660224.

The previous prime is 12020130013. The next prime is 12020130139. The reversal of 12020130120 is 2103102021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12020130096 and 12020130105.

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, 754477 + ... + 770243.

It is an arithmetic number, because the mean of its divisors is an integer number (563568030).

Almost surely, 212020130120 is an apocalyptic number.

12020130120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020130120 is an abundant number, since it is smaller than the sum of its proper divisors (24048223800).

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

12020130120 is a wasteful number, since it uses less digits than its factorization.

12020130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22134 (or 22130 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12020130120 its reverse (2103102021), we get a palindrome (14123232141).

The spelling of 12020130120 in words is "twelve billion, twenty million, one hundred thirty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 6353 12706 15767 19059 25412 31534 31765 38118 47301 50824 63068 63530 76236 78835 94602 95295 126136 127060 152472 157670 189204 190590 236505 254120 315340 378408 381180 473010 630680 762360 946020 1892040 100167751 200335502 300503253 400671004 500838755 601006506 801342008 1001677510 1202013012 1502516265 2003355020 2404026024 3005032530 4006710040 6010065060 12020130120