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2000031212 = 221472333961
BaseRepresentation
bin111011100110110…
…0000110111101100
312011101102010001002
41313031200313230
513044001444322
6530243335432
7100363661534
oct16715406754
95141363032
102000031212
11936a69063
12479981578
1325b48862a
1414d8a64c4
15ba8bbc92
hex77360dec

2000031212 has 12 divisors (see below), whose sum is σ = 3500395416. Its totient is φ = 999918240.

The previous prime is 2000031199. The next prime is 2000031221. The reversal of 2000031212 is 2121300002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2000031193 and 2000031202.

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, 41912 + ... + 75872.

It is an arithmetic number, because the mean of its divisors is an integer number (291699618).

Almost surely, 22000031212 is an apocalyptic number.

It is an amenable number.

2000031212 is a deficient number, since it is larger than the sum of its proper divisors (1500364204).

2000031212 is a wasteful number, since it uses less digits than its factorization.

2000031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48688 (or 48686 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2000031212 is about 44721.7085094029. The cubic root of 2000031212 is about 1259.9276039701.

Adding to 2000031212 its reverse (2121300002), we get a palindrome (4121331214).

The spelling of 2000031212 in words is "two billion, thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 14723 29446 33961 58892 67922 135844 500007803 1000015606 2000031212