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12030313311212 = 227285371956799
BaseRepresentation
bin1010111100010000011010…
…0011010010101111101100
31120121002100012220212100112
42233010012203102233230
53034101040201424322
641330352153315152
72351106243631100
oct257040643225754
946532305825315
1012030313311212
113919033264219
12142367b705ab8
136935b8963521
142d83ad8a3900
1515ce092d75e2
hexaf1068d2bec

12030313311212 has 36 divisors (see below), whose sum is σ = 24518991772800. Its totient is φ = 5149804119264.

The previous prime is 12030313311179. The next prime is 12030313311217. The reversal of 12030313311212 is 21211331303021.

12030313311212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12030313311217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35811212 + ... + 36145587.

It is an arithmetic number, because the mean of its divisors is an integer number (681083104800).

Almost surely, 212030313311212 is an apocalyptic number.

It is an amenable number.

12030313311212 is an abundant number, since it is smaller than the sum of its proper divisors (12488678461588).

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

12030313311212 is a wasteful number, since it uses less digits than its factorization.

12030313311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71957670 (or 71957661 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12030313311212 its reverse (21211331303021), we get a palindrome (33241644614233).

The spelling of 12030313311212 in words is "twelve trillion, thirty billion, three hundred thirteen million, three hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 853 1706 3412 5971 11942 23884 41797 83594 167188 71956799 143913598 287827196 503697593 1007395186 2014790372 3525883151 7051766302 14103532604 61379149547 122758299094 245516598188 429654046829 859308093658 1718616187316 3007578327803 6015156655606 12030313311212