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312313120412012 = 221731344413304123
BaseRepresentation
bin100011100000011000001000…
…0100110011101000101101100
31111221210211202100022201002022
41013000300100212131011230
5311413414232311141022
63024122400011245312
7122532610161211136
oct10700602046350554
91457724670281068
10312313120412012
1190570283539335
122b040460149838
1310536001c345b5
14571a06dca8056
152618eaac27c42
hex11c0c1099d16c

312313120412012 has 48 divisors (see below), whose sum is σ = 580677615719712. Its totient is φ = 146468291973120.

The previous prime is 312313120411987. The next prime is 312313120412017. The reversal of 312313120412012 is 210214021313213.

It is a super-4 number, since 4×3123131204120124 (a number of 59 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (312313120412017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92870183 + ... + 96174305.

It is an arithmetic number, because the mean of its divisors is an integer number (12097450327494).

Almost surely, 2312313120412012 is an apocalyptic number.

It is an amenable number.

312313120412012 is a deficient number, since it is larger than the sum of its proper divisors (268364495307700).

312313120412012 is a wasteful number, since it uses less digits than its factorization.

312313120412012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308898 (or 3308896 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 312313120412012 its reverse (210214021313213), we get a palindrome (522527141725225).

The spelling of 312313120412012 in words is "three hundred twelve trillion, three hundred thirteen billion, one hundred twenty million, four hundred twelve thousand, twelve".

Divisors: 1 2 4 17 34 68 313 626 1252 4441 5321 8882 10642 17764 21284 75497 150994 301988 1390033 2780066 3304123 5560132 6608246 13216492 23630561 47261122 56170091 94522244 112340182 224680364 1034190499 2068380998 4136761996 14673610243 17581238483 29347220486 35162476966 58694440972 70324953932 249451374131 498902748262 997805496524 4592840006059 9185680012118 18371360024236 78078280103003 156156560206006 312313120412012