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12002131113331 = 43472496725439
BaseRepresentation
bin1010111010100111011011…
…0000101111010101110011
31120111101121011010212200211
42232221312300233111303
53033120331031111311
641305411455124551
72346060666122632
oct256516660572563
946441534125624
1012002131113331
113908091133897
12141a115513757
13690a470823a8
142d6c98a47519
1515c30a081821
hexaea76c2f573

12002131113331 has 24 divisors (see below), whose sum is σ = 12551132943360. Its totient is φ = 11470825106832.

The previous prime is 12002131113319. The next prime is 12002131113341. The reversal of 12002131113331 is 13331113120021.

It is not a de Polignac number, because 12002131113331 - 211 = 12002131111283 is a prime.

It is a super-2 number, since 2×120021311133312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002131113341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471787710 + ... + 471813148.

It is an arithmetic number, because the mean of its divisors is an integer number (522963872640).

Almost surely, 212002131113331 is an apocalyptic number.

12002131113331 is a deficient number, since it is larger than the sum of its proper divisors (549001830029).

12002131113331 is an equidigital number, since it uses as much as digits as its factorization.

12002131113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30543 (or 30496 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12002131113331 its reverse (13331113120021), we get a palindrome (25333244233352).

The spelling of 12002131113331 in words is "twelve trillion, two billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 43 47 2021 2209 4967 25439 94987 213581 233449 1093877 1195633 10038307 10972103 51412219 56194751 126355513 471800429 2416374293 5433287059 5938709111 255364491773 279119328217 12002131113331