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312210121413012 = 22326017510117751
BaseRepresentation
bin100011011111101000001010…
…1011000011101000110010100
31111221102222220011112102121120
41012333100111120131012110
5311410222312040204022
63024003203313243540
7122522302600156254
oct10677202530350624
91457388804472546
10312210121413012
1190530629266969
122b0244b5b635b0
1310529399001144
14571509c821964
15261647d595d5c
hex11bf41561d194

312210121413012 has 12 divisors (see below), whose sum is σ = 728490283297056. Its totient is φ = 104070040471000.

The previous prime is 312210121413007. The next prime is 312210121413089. The reversal of 312210121413012 is 210314121012213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×3122101214130123 (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13008755058864 + ... + 13008755058887.

It is an arithmetic number, because the mean of its divisors is an integer number (60707523608088).

Almost surely, 2312210121413012 is an apocalyptic number.

It is an amenable number.

312210121413012 is an abundant number, since it is smaller than the sum of its proper divisors (416280161884044).

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

312210121413012 is a wasteful number, since it uses less digits than its factorization.

312210121413012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017510117758 (or 26017510117756 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 312210121413012 its reverse (210314121012213), we get a palindrome (522524242425225).

The spelling of 312210121413012 in words is "three hundred twelve trillion, two hundred ten billion, one hundred twenty-one million, four hundred thirteen thousand, twelve".

Divisors: 1 2 3 4 6 12 26017510117751 52035020235502 78052530353253 104070040471004 156105060706506 312210121413012