Search a number
-
+
1021021201012 = 221913434489487
BaseRepresentation
bin11101101101110011001…
…10110010001001110100
310121121102201112002011111
432312321212302021310
5113212022411413022
62101014535444404
7133523600004241
oct16667146621164
93547381462144
101021021201012
1136401593939a
12145a69b26704
13753883c4617
14375bc1d85c8
151b85bea0477
hexedb99b2274

1021021201012 has 12 divisors (see below), whose sum is σ = 1880828528320. Its totient is φ = 483641621496.

The previous prime is 1021021201007. The next prime is 1021021201037. The reversal of 1021021201012 is 2101021201201.

It is a junction number, because it is equal to n+sod(n) for n = 1021021200983 and 1021021201001.

It is a congruent number.

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, 6717244668 + ... + 6717244819.

Almost surely, 21021021201012 is an apocalyptic number.

It is an amenable number.

1021021201012 is a deficient number, since it is larger than the sum of its proper divisors (859807327308).

1021021201012 is a wasteful number, since it uses less digits than its factorization.

1021021201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434489510 (or 13434489508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021021201012 its reverse (2101021201201), we get a palindrome (3122042402213).

The spelling of 1021021201012 in words is "one trillion, twenty-one billion, twenty-one million, two hundred one thousand, twelve".

Divisors: 1 2 4 19 38 76 13434489487 26868978974 53737957948 255255300253 510510600506 1021021201012