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12212240001 = 3132251139109
BaseRepresentation
bin10110101111110011…
…11111111010000001
31011112002111001220020
423113321333322001
5200002313140001
65335450404053
7611426220153
oct132771777201
934462431806
1012212240001
1151a7544735
122449a30629
1311c8116120
1483bca8ad3
154b71e6736
hex2d7e7fe81

12212240001 has 16 divisors (see below), whose sum is σ = 17543440320. Its totient is φ = 7511832000.

The previous prime is 12212239997. The next prime is 12212240009. The reversal of 12212240001 is 10004221221.

It is not a de Polignac number, because 12212240001 - 22 = 12212239997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212240009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18235 + ... + 157343.

It is an arithmetic number, because the mean of its divisors is an integer number (1096465020).

Almost surely, 212212240001 is an apocalyptic number.

It is an amenable number.

12212240001 is a deficient number, since it is larger than the sum of its proper divisors (5331200319).

12212240001 is a wasteful number, since it uses less digits than its factorization.

12212240001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141376.

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

Adding to 12212240001 its reverse (10004221221), we get a palindrome (22216461222).

The spelling of 12212240001 in words is "twelve billion, two hundred twelve million, two hundred forty thousand, one".

Divisors: 1 3 13 39 2251 6753 29263 87789 139109 417327 1808417 5425251 313134359 939403077 4070746667 12212240001