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133123201222 = 21136551165551
BaseRepresentation
bin111101111111011000…
…0101101100011000110
3110201121120210022021011
41323332300231203012
54140114014414342
6141053404112434
712421626353164
oct1737660554306
9421546708234
10133123201222
1151503638470
122197283571a
13c726c640ab
14662c1c2234
1536e2141717
hex1efec2d8c6

133123201222 has 16 divisors (see below), whose sum is σ = 217845241344. Its totient is φ = 60508525000.

The previous prime is 133123201181. The next prime is 133123201249. The reversal of 133123201222 is 222102321331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 133123201193 and 133123201202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721347 + ... + 886897.

It is an arithmetic number, because the mean of its divisors is an integer number (13615327584).

Almost surely, 2133123201222 is an apocalyptic number.

133123201222 is a deficient number, since it is larger than the sum of its proper divisors (84722040122).

133123201222 is a wasteful number, since it uses less digits than its factorization.

133123201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202115.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 133123201222 its reverse (222102321331), we get a palindrome (355225522553).

The spelling of 133123201222 in words is "one hundred thirty-three billion, one hundred twenty-three million, two hundred one thousand, two hundred twenty-two".

Divisors: 1 2 11 22 36551 73102 165551 331102 402061 804122 1821061 3642122 6051054601 12102109202 66561600611 133123201222