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120221213203 = 7213188730319
BaseRepresentation
bin110111111110110111…
…1100010001000010011
3102111022102102101222001
41233331233202020103
53432203112310303
6131121233454431
711454123310600
oct1577557421023
9374272371861
10120221213203
1146a92816953
121b371a11417
13b44bc8b060
145b6688b6a7
1531d960031d
hex1bfdbe2213

120221213203 has 12 divisors (see below), whose sum is σ = 150606795360. Its totient is φ = 95120080272.

The previous prime is 120221213159. The next prime is 120221213209. The reversal of 120221213203 is 302312122021.

It is not a de Polignac number, because 120221213203 - 29 = 120221212691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120221213209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94364523 + ... + 94365796.

It is an arithmetic number, because the mean of its divisors is an integer number (12550566280).

Almost surely, 2120221213203 is an apocalyptic number.

120221213203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120221213203 is a deficient number, since it is larger than the sum of its proper divisors (30385582157).

120221213203 is a wasteful number, since it uses less digits than its factorization.

120221213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188730346 (or 188730339 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120221213203 its reverse (302312122021), we get a palindrome (422533335224).

The spelling of 120221213203 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred three".

Divisors: 1 7 13 49 91 637 188730319 1321112233 2453494147 9247785631 17174459029 120221213203