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121210201012 = 2243704710471
BaseRepresentation
bin111000011100010110…
…0001110001110110100
3102120212100101012012011
41300320230032032310
53441214302413022
6131403323134004
711520462465145
oct1607054161664
9376770335164
10121210201012
114744aaa904a
121b5a9074304
13b578b40a44
145c1bd6dacc
153246358977
hex1c38b0e3b4

121210201012 has 12 divisors (see below), whose sum is σ = 217050825376. Its totient is φ = 59195679480.

The previous prime is 121210201003. The next prime is 121210201027. The reversal of 121210201012 is 210102012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210200983 and 121210201001.

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, 352355064 + ... + 352355407.

Almost surely, 2121210201012 is an apocalyptic number.

It is an amenable number.

121210201012 is a deficient number, since it is larger than the sum of its proper divisors (95840624364).

121210201012 is a wasteful number, since it uses less digits than its factorization.

121210201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704710518 (or 704710516 counting only the distinct ones).

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

Adding to 121210201012 its reverse (210102012121), we get a palindrome (331312213133).

The spelling of 121210201012 in words is "one hundred twenty-one billion, two hundred ten million, two hundred one thousand, twelve".

Divisors: 1 2 4 43 86 172 704710471 1409420942 2818841884 30302550253 60605100506 121210201012