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121201220000212 = 221110459812633483
BaseRepresentation
bin11011100011101101011011…
…101010100001100111010100
3120220010201112102010120120221
4123203231123222201213110
5111341230044310001322
61105435023302204124
734346333134545142
oct3343553352414724
9526121472116527
10121201220000212
113568916aa87540
1211715737423644
1352822c26bc3a1
1421d0255612592
15e02ac64cc9c7
hex6e3b5baa19d4

121201220000212 has 24 divisors (see below), whose sum is σ = 231384456348192. Its totient is φ = 55091390047200.

The previous prime is 121201220000143. The next prime is 121201220000227. The reversal of 121201220000212 is 212000022102121.

It is a happy number.

121201220000212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44706423 + ... + 47339905.

It is an arithmetic number, because the mean of its divisors is an integer number (9641019014508).

Almost surely, 2121201220000212 is an apocalyptic number.

It is an amenable number.

121201220000212 is a deficient number, since it is larger than the sum of its proper divisors (110183236347980).

121201220000212 is a wasteful number, since it uses less digits than its factorization.

121201220000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679479 (or 3679477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121201220000212 its reverse (212000022102121), we get a palindrome (333201242102333).

The spelling of 121201220000212 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred twenty million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 11 22 44 1045981 2091962 2633483 4183924 5266966 10533932 11505791 23011582 28968313 46023164 57936626 115873252 2754573181823 5509146363646 11018292727292 30300305000053 60600610000106 121201220000212