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2003201212 = 22500800303
BaseRepresentation
bin111011101100110…
…0110110010111100
312011121101011110111
41313121212302330
513100304414322
6530435315404
7100432633525
oct16731466274
95147334414
102003201212
119388337a1
1247aa4bb64
1325c02847c
1415008d84c
15bace6177
hex77666cbc

2003201212 has 6 divisors (see below), whose sum is σ = 3505602128. Its totient is φ = 1001600604.

The previous prime is 2003201203. The next prime is 2003201227. The reversal of 2003201212 is 2121023002.

It is a junction number, because it is equal to n+sod(n) for n = 2003201192 and 2003201201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250400148 + ... + 250400155.

Almost surely, 22003201212 is an apocalyptic number.

It is an amenable number.

2003201212 is a deficient number, since it is larger than the sum of its proper divisors (1502400916).

2003201212 is a wasteful number, since it uses less digits than its factorization.

2003201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500800307 (or 500800305 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2003201212 is about 44757.1358779804. The cubic root of 2003201212 is about 1260.5929039617.

Adding to 2003201212 its reverse (2121023002), we get a palindrome (4124224214).

The spelling of 2003201212 in words is "two billion, three million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 500800303 1001600606 2003201212