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121200002202201 = 31398171375723011
BaseRepresentation
bin11011100011101100010011…
…000100111111101001011001
3120220010121101112122000202220
4123203230103010333221121
5111341220101030432301
61105434302400414253
734346261016461466
oct3343542304775131
9526117345560686
10121200002202201
11356886a56248aa
1211715457617389
13528215a305b50
1421d017b9ac66d
15e02a54628936
hex6e3b1313fa59

121200002202201 has 32 divisors (see below), whose sum is σ = 174068715773568. Its totient is φ = 74568357527040.

The previous prime is 121200002202161. The next prime is 121200002202239. The reversal of 121200002202201 is 102202200002121.

It is not a de Polignac number, because 121200002202201 - 211 = 121200002200153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121200002202241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5267034786 + ... + 5267057796.

It is an arithmetic number, because the mean of its divisors is an integer number (5439647367924).

Almost surely, 2121200002202201 is an apocalyptic number.

It is an amenable number.

121200002202201 is a deficient number, since it is larger than the sum of its proper divisors (52868713571367).

121200002202201 is a wasteful number, since it uses less digits than its factorization.

121200002202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46601.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121200002202201 its reverse (102202200002121), we get a palindrome (223402202204322).

The spelling of 121200002202201 in words is "one hundred twenty-one trillion, two hundred billion, two million, two hundred two thousand, two hundred one".

Divisors: 1 3 13 39 9817 13757 23011 29451 41271 69033 127621 178841 299143 382863 536523 897429 135052469 225898987 316562327 405157407 677696961 949686981 1755682097 2936686831 4115310251 5267046291 8810060493 12345930753 3107692364159 9323077092477 40400000734067 121200002202201