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120221102212 = 22234337301303
BaseRepresentation
bin110111111110110111…
…1000111000010000100
3102111022102012202201021
41233331233013002010
53432203100232322
6131121231240524
711454122336161
oct1577557070204
9374272182637
10120221102212
1146a92750522
121b371979144
13b44bc4c693
145b6685d068
1531d95cc4c7
hex1bfdbc7084

120221102212 has 24 divisors (see below), whose sum is σ = 219585534336. Its totient is φ = 57483600768.

The previous prime is 120221102173. The next prime is 120221102219. The reversal of 120221102212 is 212201122021.

It is a happy number.

It is a super-2 number, since 2×1202211022122 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120221102219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248353 + ... + 549655.

It is an arithmetic number, because the mean of its divisors is an integer number (9149397264).

Almost surely, 2120221102212 is an apocalyptic number.

It is an amenable number.

120221102212 is a deficient number, since it is larger than the sum of its proper divisors (99364432124).

120221102212 is a wasteful number, since it uses less digits than its factorization.

120221102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305667 (or 305665 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120221102212 its reverse (212201122021), we get a palindrome (332422224233).

The spelling of 120221102212 in words is "one hundred twenty billion, two hundred twenty-one million, one hundred two thousand, two hundred twelve".

Divisors: 1 2 4 23 46 92 4337 8674 17348 99751 199502 301303 399004 602606 1205212 6929969 13859938 27719876 1306751111 2613502222 5227004444 30055275553 60110551106 120221102212