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12220002012012 = 2234992791731189
BaseRepresentation
bin1011000111010011000011…
…1000010000101101101100
31121021012221221200021111120
42301310300320100231230
53100203031003341022
641553442540420540
72400603020163234
oct261646070205554
947235857607446
1012220002012012
113991523619743
121454399b47750
136a845893c412
1430364634acc4
15162d0c3abd5c
hexb1d30e10b6c

12220002012012 has 48 divisors (see below), whose sum is σ = 28580754720000. Its totient is φ = 4063708923840.

The previous prime is 12220002012007. The next prime is 12220002012077. The reversal of 12220002012012 is 21021020002221.

It is a junction number, because it is equal to n+sod(n) for n = 12220002011982 and 12220002012000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16346914 + ... + 17078102.

It is an arithmetic number, because the mean of its divisors is an integer number (595432390000).

Almost surely, 212220002012012 is an apocalyptic number.

12220002012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12220002012012 is an abundant number, since it is smaller than the sum of its proper divisors (16360752707988).

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

12220002012012 is a wasteful number, since it uses less digits than its factorization.

12220002012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734486 (or 734484 counting only the distinct ones).

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

Adding to 12220002012012 its reverse (21021020002221), we get a palindrome (33241022014233).

The spelling of 12220002012012 in words is "twelve trillion, two hundred twenty billion, two million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 499 998 1497 1996 2791 2994 5582 5988 8373 11164 16746 33492 731189 1392709 1462378 2193567 2785418 2924756 4178127 4387134 5570836 8356254 8774268 16712508 364863311 729726622 1094589933 1459453244 2040748499 2189179866 4081496998 4378359732 6122245497 8162993996 12244490994 24488981988 1018333501001 2036667002002 3055000503003 4073334004004 6110001006006 12220002012012