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12231000023020 = 2255311538679267
BaseRepresentation
bin1011000111111100000001…
…1010010101111111101100
31121022021100102101010100121
42301333000122111333230
53100343042001214040
642002502134134324
72401442403553252
oct261770032257754
947267312333317
1012231000023020
113996157719139
1214565491b13a4
136a94bc31b63c
14303daac605d2
15163252ba6c4a
hexb1fc0695fec

12231000023020 has 24 divisors (see below), whose sum is σ = 26169724579824. Its totient is φ = 4800090574656.

The previous prime is 12231000022981. The next prime is 12231000023051. The reversal of 12231000023020 is 2032000013221.

It is a junction number, because it is equal to n+sod(n) for n = 12231000022985 and 12231000023003.

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, 5769338574 + ... + 5769340693.

It is an arithmetic number, because the mean of its divisors is an integer number (1090405190826).

Almost surely, 212231000023020 is an apocalyptic number.

12231000023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231000023020 is an abundant number, since it is smaller than the sum of its proper divisors (13938724556804).

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

12231000023020 is a wasteful number, since it uses less digits than its factorization.

12231000023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11538679329 (or 11538679327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12231000023020 its reverse (2032000013221), we get a palindrome (14263000036241).

The spelling of 12231000023020 in words is "twelve trillion, two hundred thirty-one billion, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 1060 11538679267 23077358534 46154717068 57693396335 115386792670 230773585340 611550001151 1223100002302 2446200004604 3057750005755 6115500011510 12231000023020