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201201222012222 = 23151247771896297
BaseRepresentation
bin101101101111110111001111…
…010111011100110100111110
3222101101122112002202211011210
4231233313033113130310332
5202332440100313342342
61551530322042025250
760244210563045435
oct5557671727346476
9871348462684153
10201201222012222
1159121a605802a3
121a69618a1a8226
138836269aa7333
14379829656c11c
15183da8b1b279c
hexb6fdcf5dcd3e

201201222012222 has 32 divisors (see below), whose sum is σ = 405069447654144. Its totient is φ = 66622577976000.

The previous prime is 201201222012163. The next prime is 201201222012281. The reversal of 201201222012222 is 222210222102102.

It is an interprime number because it is at equal distance from previous prime (201201222012163) and next prime (201201222012281).

It is a super-2 number, since 2×2012012220122222 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224032378 + ... + 224928674.

It is an arithmetic number, because the mean of its divisors is an integer number (12658420239192).

Almost surely, 2201201222012222 is an apocalyptic number.

201201222012222 is an abundant number, since it is smaller than the sum of its proper divisors (203868225641922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201201222012222 is a wasteful number, since it uses less digits than its factorization.

201201222012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144224.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201201222012222 its reverse (222210222102102), we get a palindrome (423411444114324).

The spelling of 201201222012222 in words is "two hundred one trillion, two hundred one billion, two hundred twenty-two million, twelve thousand, two hundred twenty-two".

Divisors: 1 2 3 6 151 302 453 906 247771 495542 743313 896297 1486626 1792594 2688891 5377782 37413421 74826842 112240263 135340847 224480526 270681694 406022541 812045082 222076403987 444152807974 666229211961 1332458423922 33533537002037 67067074004074 100600611006111 201201222012222