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13212240201 = 3237418871091
BaseRepresentation
bin11000100111000001…
…01100100101001001
31021002210011100021200
430103200230211021
5204024313141301
610023012054413
7645261121506
oct142340544511
937083140250
1013212240201
11566aa68686
122688904409
131327353414
148d4a164ad
15524dc7c86
hex31382c949

13212240201 has 48 divisors (see below), whose sum is σ = 20119252608. Its totient is φ = 8343993600.

The previous prime is 13212240103. The next prime is 13212240229. The reversal of 13212240201 is 10204221231.

It is a happy number.

13212240201 is a `hidden beast` number, since 13 + 212 + 240 + 201 = 666.

It is not a de Polignac number, because 13212240201 - 27 = 13212240073 is a prime.

It is a super-2 number, since 2×132122402012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13212240241) 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, 12109666 + ... + 12110756.

It is an arithmetic number, because the mean of its divisors is an integer number (419151096).

Almost surely, 213212240201 is an apocalyptic number.

It is an amenable number.

13212240201 is a deficient number, since it is larger than the sum of its proper divisors (6907012407).

13212240201 is a wasteful number, since it uses less digits than its factorization.

13212240201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13212240201 its reverse (10204221231), we get a palindrome (23416461432).

The spelling of 13212240201 in words is "thirteen billion, two hundred twelve million, two hundred forty thousand, two hundred one".

Divisors: 1 3 9 37 41 111 123 333 369 887 1091 1517 2661 3273 4551 7983 9819 13653 32819 36367 40367 44731 98457 109101 121101 134193 295371 327303 363303 402579 967717 1345579 1655047 2903151 4036737 4965141 8709453 12110211 14895423 35805529 39676397 107416587 119029191 322249761 357087573 1468026689 4404080067 13212240201