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121201002210202 = 21231168112928361
BaseRepresentation
bin11011100011101101001110…
…101011101110001110011010
3120220010200222020022200212021
4123203231032223232032122
5111341224123031211302
61105434545522205054
734346324551424635
oct3343551653561632
9526120866280767
10121201002210202
11356890690536a2
12117156964b378a
135282289546865
1421d023471cc1c
15e02ab230c437
hex6e3b4eaee39a

121201002210202 has 16 divisors (see below), whose sum is σ = 181960074705024. Its totient is φ = 60547649868000.

The previous prime is 121201002210163. The next prime is 121201002210257. The reversal of 121201002210202 is 202012200102121.

It is a happy 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, 39924502 + ... + 42852862.

It is an arithmetic number, because the mean of its divisors is an integer number (11372504669064).

Almost surely, 2121201002210202 is an apocalyptic number.

121201002210202 is a deficient number, since it is larger than the sum of its proper divisors (60759072494822).

121201002210202 is a wasteful number, since it uses less digits than its factorization.

121201002210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946405.

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

Adding to 121201002210202 its reverse (202012200102121), we get a palindrome (323213202312323).

The spelling of 121201002210202 in words is "one hundred twenty-one trillion, two hundred one billion, two million, two hundred ten thousand, two hundred two".

Divisors: 1 2 1231 2462 16811 33622 2928361 5856722 20694341 41388682 3604812391 7209624782 49228676771 98457353542 60600501105101 121201002210202