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12122001201012 = 2231104791442633
BaseRepresentation
bin1011000001100101111110…
…0100110101011101110100
31120220212000002212020222220
42300121133210311131310
53042101324301413022
641440434231122340
72360533330061133
oct260313744653564
946825002766886
1012122001201012
113953a0372695a
1214393a98133b0
1369c13b381b61
142dc9caa1391a
151604c392485c
hexb065f935774

12122001201012 has 24 divisors (see below), whose sum is σ = 28287230172096. Its totient is φ = 4040301252288.

The previous prime is 12122001200993. The next prime is 12122001201019. The reversal of 12122001201012 is 21010210022121.

It is a junction number, because it is equal to n+sod(n) for n = 12122001200982 and 12122001201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122001201019) 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, 45588753 + ... + 45853880.

It is an arithmetic number, because the mean of its divisors is an integer number (1178634590504).

Almost surely, 212122001201012 is an apocalyptic number.

12122001201012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12122001201012 is an abundant number, since it is smaller than the sum of its proper divisors (16165228971084).

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

12122001201012 is a wasteful number, since it uses less digits than its factorization.

12122001201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91453687 (or 91453685 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12122001201012 its reverse (21010210022121), we get a palindrome (33132211223133).

The spelling of 12122001201012 in words is "twelve trillion, one hundred twenty-two billion, one million, two hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 11047 22094 33141 44188 66282 132564 91442633 182885266 274327899 365770532 548655798 1097311596 1010166766751 2020333533502 3030500300253 4040667067004 6061000600506 12122001201012