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12012111232030 = 25713113116815241
BaseRepresentation
bin1010111011001100100110…
…0111110111110000011110
31120112100100200111102210201
42232303021213313300132
53033301300433411110
641314142051454114
72346563212541620
oct256631147676036
946470320442721
1012012111232030
1139113426a9778
12142003b8b733a
136919778cb480
142d75642b2c10
1515c6e1313b3a
hexaecc99f7c1e

12012111232030 has 64 divisors (see below), whose sum is σ = 26846946177408. Its totient is φ = 3767992381440.

The previous prime is 12012111231977. The next prime is 12012111232067. The reversal of 12012111232030 is 3023211121021.

It is a super-2 number, since 2×120121112320302 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12012111231989 and 12012111232007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58304791 + ... + 58510450.

It is an arithmetic number, because the mean of its divisors is an integer number (419483534022).

Almost surely, 212012111232030 is an apocalyptic number.

12012111232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012111232030 is an abundant number, since it is smaller than the sum of its proper divisors (14834834945378).

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

12012111232030 is a wasteful number, since it uses less digits than its factorization.

12012111232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116815381.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12012111232030 its reverse (3023211121021), we get a palindrome (15035322353051).

The spelling of 12012111232030 in words is "twelve trillion, twelve billion, one hundred eleven million, two hundred thirty-two thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 113 130 182 226 455 565 791 910 1130 1469 1582 2938 3955 7345 7910 10283 14690 20566 51415 102830 116815241 233630482 584076205 817706687 1168152410 1518598133 1635413374 3037196266 4088533435 7592990665 8177066870 10630186931 13200122233 15185981330 21260373862 26400244466 53150934655 66000611165 92400855631 106301869310 132001222330 171601589029 184801711262 343203178058 462004278155 858007945145 924008556310 1201211123203 1716015890290 2402422246406 6006055616015 12012111232030