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2122120012 = 22564793949
BaseRepresentation
bin111111001111100…
…1111101101001100
312110220010212101111
41332133033231030
513321230320022
6550324221404
7103405502545
oct17637175514
95426125344
102122120012
119999771a1
124b283a864
1327a86421c
14161ba74cc
15c6486477
hex7e7cfb4c

2122120012 has 12 divisors (see below), whose sum is σ = 3714407200. Its totient is φ = 1060860816.

The previous prime is 2122119913. The next prime is 2122120031. The reversal of 2122120012 is 2100212212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2122119974 and 2122120001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24387 + ... + 69562.

Almost surely, 22122120012 is an apocalyptic number.

It is an amenable number.

2122120012 is a deficient number, since it is larger than the sum of its proper divisors (1592287188).

2122120012 is a wasteful number, since it uses less digits than its factorization.

2122120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99600 (or 99598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122120012 is about 46066.4738394421. The cubic root of 2122120012 is about 1285.0597280297.

Adding to 2122120012 its reverse (2100212212), we get a palindrome (4222332224).

The spelling of 2122120012 in words is "two billion, one hundred twenty-two million, one hundred twenty thousand, twelve".

Divisors: 1 2 4 5647 11294 22588 93949 187898 375796 530530003 1061060006 2122120012