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2120222212 = 221327399439
BaseRepresentation
bin111111001100000…
…0000011000000100
312110202120110002121
41332120000120010
513320234102322
6550215415324
7103353406603
oct17630003004
95422513077
102120222212
119988a0369
124b2084544
1327a34b474
14161831a3a
15c620dec7
hex7e600604

2120222212 has 12 divisors (see below), whose sum is σ = 3713194240. Its totient is φ = 1059309576.

The previous prime is 2120222207. The next prime is 2120222213. The reversal of 2120222212 is 2122220212.

It is not an unprimeable number, because it can be changed into a prime (2120222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194412 + ... + 205027.

Almost surely, 22120222212 is an apocalyptic number.

It is an amenable number.

2120222212 is a deficient number, since it is larger than the sum of its proper divisors (1592972028).

2120222212 is a wasteful number, since it uses less digits than its factorization.

2120222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400770 (or 400768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2120222212 is about 46045.8707377763. The cubic root of 2120222212 is about 1284.6765398818.

Adding to 2120222212 its reverse (2122220212), we get a palindrome (4242442424).

The spelling of 2120222212 in words is "two billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 1327 2654 5308 399439 798878 1597756 530055553 1060111106 2120222212