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12401400012 = 2238111274291
BaseRepresentation
bin10111000110010111…
…00101100011001100
31012000021102101122120
423203023211203030
5200344224300022
65410325012540
7616214106111
oct134313454314
935007371576
1012401400012
1152942a3421
1224a1254150
131228376421
14859068908
154c8b0dd5c
hex2e32e58cc

12401400012 has 24 divisors (see below), whose sum is σ = 28972302912. Its totient is φ = 4128699600.

The previous prime is 12401399999. The next prime is 12401400029. The reversal of 12401400012 is 21000410421.

12401400012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12401399964 and 12401400000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627414 + ... + 646877.

It is an arithmetic number, because the mean of its divisors is an integer number (1207179288).

Almost surely, 212401400012 is an apocalyptic number.

12401400012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12401400012 is an abundant number, since it is smaller than the sum of its proper divisors (16570902900).

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

12401400012 is a wasteful number, since it uses less digits than its factorization.

12401400012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275109 (or 1275107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12401400012 its reverse (21000410421), we get a palindrome (33401810433).

The spelling of 12401400012 in words is "twelve billion, four hundred one million, four hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 811 1622 2433 3244 4866 9732 1274291 2548582 3822873 5097164 7645746 15291492 1033450001 2066900002 3100350003 4133800004 6200700006 12401400012