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12002131312012 = 2217397444589247
BaseRepresentation
bin1010111010100111011011…
…0001011111110110001100
31120111101121011111222020101
42232221312301133312030
53033120331103441022
641305411503300444
72346061000611112
oct256516661376614
946441534458211
1012002131312012
11390809125a096
12141a1155aa724
13690a4712195a
142d6c98a99ab2
1515c30a0c0627
hexaea76c5fd8c

12002131312012 has 24 divisors (see below), whose sum is σ = 22295261608704. Its totient is φ = 5633834925312.

The previous prime is 12002131311971. The next prime is 12002131312021. The reversal of 12002131312012 is 21021313120021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222267628 + ... + 222321619.

It is an arithmetic number, because the mean of its divisors is an integer number (928969233696).

Almost surely, 212002131312012 is an apocalyptic number.

It is an amenable number.

12002131312012 is a deficient number, since it is larger than the sum of its proper divisors (10293130296692).

12002131312012 is a wasteful number, since it uses less digits than its factorization.

12002131312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444589665 (or 444589663 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12002131312012 its reverse (21021313120021), we get a palindrome (33023444432033).

It can be divided in two parts, 1200213 and 1312012, that added together give a square (2512225 = 15852).

The spelling of 12002131312012 in words is "twelve trillion, two billion, one hundred thirty-one million, three hundred twelve thousand, twelve".

Divisors: 1 2 4 17 34 68 397 794 1588 6749 13498 26996 444589247 889178494 1778356988 7558017199 15116034398 30232068796 176501931059 353003862118 706007724236 3000532828003 6001065656006 12002131312012