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12310010102220 = 2235295769383441
BaseRepresentation
bin1011001100100010010111…
…0001111000000111001100
31121120211021202210000022020
42303020211301320013030
53103141400041232340
642103050210250140
72410240345263345
oct263104561700714
947524252700266
1012310010102220
113a16711866056
121469919586950
136b3aa1334bac
14307b443530cc
151653292d59d0
hexb3225c781cc

12310010102220 has 48 divisors (see below), whose sum is σ = 34479685201248. Its totient is φ = 3281559178240.

The previous prime is 12310010102209. The next prime is 12310010102227. The reversal of 12310010102220 is 2220101001321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12310010102220.

It is not an unprimeable number, because it can be changed into a prime (12310010102227) 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, 34514301 + ... + 34869140.

It is an arithmetic number, because the mean of its divisors is an integer number (718326775026).

Almost surely, 212310010102220 is an apocalyptic number.

12310010102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310010102220 is an abundant number, since it is smaller than the sum of its proper divisors (22169675099028).

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

12310010102220 is a wasteful number, since it uses less digits than its factorization.

12310010102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69386410 (or 69386408 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12310010102220 its reverse (2220101001321), we get a palindrome (14530111103541).

The spelling of 12310010102220 in words is "twelve trillion, three hundred ten billion, ten million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2957 5914 8871 11828 14785 17742 29570 35484 44355 59140 88710 177420 69383441 138766882 208150323 277533764 346917205 416300646 693834410 832601292 1040751615 1387668820 2081503230 4163006460 205166835037 410333670074 615500505111 820667340148 1025834175185 1231001010222 2051668350370 2462002020444 3077502525555 4103336700740 6155005051110 12310010102220