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12002212111201 = 134127313754917
BaseRepresentation
bin1010111010100111101110…
…0101101110001101100001
31120111101210210112222212221
42232221323211232031201
53033121012300024301
641305423511151041
72346063001443214
oct256517345561541
946441723488787
1012002212111201
113908122926784
12141a138675481
13690a5aaa1a20
142d6ca56cd77b
1515c312230da1
hexaea7b96e361

12002212111201 has 48 divisors (see below), whose sum is σ = 13528163143152. Its totient is φ = 10582673448960.

The previous prime is 12002212111133. The next prime is 12002212111207. The reversal of 12002212111201 is 10211121220021.

It can be written as a sum of positive squares in 24 ways, for example, as 11993338659600 + 8873451601 = 3463140^2 + 94199^2 .

It is not a de Polignac number, because 12002212111201 - 29 = 12002212110689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002212111207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218524395 + ... + 218579311.

It is an arithmetic number, because the mean of its divisors is an integer number (281836732149).

Almost surely, 212002212111201 is an apocalyptic number.

It is an amenable number.

12002212111201 is a deficient number, since it is larger than the sum of its proper divisors (1525951031951).

12002212111201 is a wasteful number, since it uses less digits than its factorization.

12002212111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55222 (or 55181 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12002212111201 its reverse (10211121220021), we get a palindrome (22213333331222).

The spelling of 12002212111201 in words is "twelve trillion, two billion, two hundred twelve million, one hundred eleven thousand, two hundred one".

Divisors: 1 13 41 73 137 533 949 1681 1781 2993 5617 10001 21853 38909 54917 73021 122713 130013 230297 410041 713921 1595269 2251597 2993861 4008941 5330533 7523629 16811681 29270761 52116233 92315477 97807177 164366581 218551853 308468789 549224917 1200101201 2136765553 4010094257 6739029821 7139923921 12647220349 22518221597 87607387673 164413864537 292736880761 923247085477 12002212111201