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12203213230128 = 243337681752881
BaseRepresentation
bin1011000110010100100000…
…1100001001000000110000
31121012121121220121210101010
42301211020030021000300
53044414140041331003
641542025002510520
72366436666661254
oct261451014110060
947177556553333
1012203213230128
113985398805398
121451093505440
136a69b163045b
143028d2730264
15162678508003
hexb1948309030

12203213230128 has 40 divisors (see below), whose sum is σ = 31525102740976. Its totient is φ = 4067720294400.

The previous prime is 12203213230121. The next prime is 12203213230129. The reversal of 12203213230128 is 82103231230221.

It is a junction number, because it is equal to n+sod(n) for n = 12203213230095 and 12203213230104.

It is not an unprimeable number, because it can be changed into a prime (12203213230121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15832248 + ... + 16585128.

Almost surely, 212203213230128 is an apocalyptic number.

It is an amenable number.

12203213230128 is an abundant number, since it is smaller than the sum of its proper divisors (19321889510848).

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

12203213230128 is a wasteful number, since it uses less digits than its factorization.

12203213230128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090573 (or 1090567 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 12203213230128 its reverse (82103231230221), we get a palindrome (94306444460349).

The spelling of 12203213230128 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, two hundred thirty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 337681 675362 752881 1013043 1350724 1505762 2026086 2258643 2701448 3011524 4052172 4517286 5402896 6023048 8104344 9034572 12046096 16208688 18069144 36138288 254233608961 508467217922 762700826883 1016934435844 1525401653766 2033868871688 3050803307532 4067737743376 6101606615064 12203213230128