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12210123102020 = 2252392554419059
BaseRepresentation
bin1011000110101110010000…
…0011001101011101000100
31121020021110110202122122022
42301223210003031131010
53100022313003231040
641545130401222312
72400103142632334
oct261534403153504
947207413678568
1012210123102020
1139883141a0418
1214524a1631998
136a754306b04c
14302d8a3090c4
1516292ee6c6b5
hexb1ae40cd744

12210123102020 has 24 divisors (see below), whose sum is σ = 25748544124800. Its totient is φ = 4863613886432.

The previous prime is 12210123102011. The next prime is 12210123102043. The reversal of 12210123102020 is 2020132101221.

It is a self number, because there is not a number n which added to its sum of digits gives 12210123102020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1277204750 + ... + 1277214309.

It is an arithmetic number, because the mean of its divisors is an integer number (1072856005200).

Almost surely, 212210123102020 is an apocalyptic number.

12210123102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210123102020 is an abundant number, since it is smaller than the sum of its proper divisors (13538421022780).

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

12210123102020 is a wasteful number, since it uses less digits than its factorization.

12210123102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554419307 (or 2554419305 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12210123102020 its reverse (2020132101221), we get a palindrome (14230255203241).

The spelling of 12210123102020 in words is "twelve trillion, two hundred ten billion, one hundred twenty-three million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 2554419059 5108838118 10217676236 12772095295 25544190590 51088381180 610506155101 1221012310202 2442024620404 3052530775505 6105061551010 12210123102020