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12010102210220 = 2252295574707887
BaseRepresentation
bin1010111011000101000111…
…1000000011111010101100
31120112011011200011112222112
42232301101320003322230
53033233142131211340
641313210443303152
72346462346253312
oct256612170037254
946464150145875
1012010102210220
11391050165a974
12141b77ab1aab8
1369171761587a
142d741354a0b2
1515c624c6d065
hexaec51e03eac

12010102210220 has 48 divisors (see below), whose sum is σ = 25376834528640. Its totient is φ = 4774474339584.

The previous prime is 12010102210193. The next prime is 12010102210229. The reversal of 12010102210220 is 2201220101021.

12010102210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12010102210195 and 12010102210204.

It is not an unprimeable number, because it can be changed into a prime (12010102210229) 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, 197117 + ... + 4905003.

It is an arithmetic number, because the mean of its divisors is an integer number (528684052680).

Almost surely, 212010102210220 is an apocalyptic number.

12010102210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010102210220 is an abundant number, since it is smaller than the sum of its proper divisors (13366732318420).

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

12010102210220 is a wasteful number, since it uses less digits than its factorization.

12010102210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708682 (or 4708680 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12010102210220 its reverse (2201220101021), we get a palindrome (14211322311241).

The spelling of 12010102210220 in words is "twelve trillion, ten billion, one hundred two million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 229 458 557 916 1114 1145 2228 2290 2785 4580 5570 11140 127553 255106 510212 637765 1275530 2551060 4707887 9415774 18831548 23539435 47078870 94157740 1078106123 2156212246 2622293059 4312424492 5244586118 5390530615 10489172236 10781061230 13111465295 21562122460 26222930590 52445861180 600505110511 1201010221022 2402020442044 3002525552555 6005051105110 12010102210220