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120121220210202 = 23210364790302163
BaseRepresentation
bin11011010011111111100110…
…101010010001111000011010
3120202022110212100222202011100
4123103333212222101320122
5111221031224333211302
61103250532102412230
734205320550030541
oct3323774652217032
9522273770882140
10120121220210202
113530213a289312
1211580369731076
1352044c83634c3
142193c80487158
15dd49667d9d1c
hex6d3fe6a91e1a

120121220210202 has 24 divisors (see below), whose sum is σ = 262789465577184. Its totient is φ = 39651664923144.

The previous prime is 120121220210191. The next prime is 120121220210213. The reversal of 120121220210202 is 202012022121021.

It is a happy number.

120121220210202 is a `hidden beast` number, since 1 + 20 + 1 + 212 + 20 + 210 + 202 = 666.

It is an interprime number because it is at equal distance from previous prime (120121220210191) and next prime (120121220210213).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32395149228 + ... + 32395152935.

It is an arithmetic number, because the mean of its divisors is an integer number (10949561065716).

Almost surely, 2120121220210202 is an apocalyptic number.

120121220210202 is an abundant number, since it is smaller than the sum of its proper divisors (142668245366982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120121220210202 is a wasteful number, since it uses less digits than its factorization.

120121220210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64790302274 (or 64790302271 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120121220210202 its reverse (202012022121021), we get a palindrome (322133242331223).

The spelling of 120121220210202 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty million, two hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 64790302163 129580604326 194370906489 388741812978 583112719467 1166225438934 6673401122789 13346802245578 20020203368367 40040406736734 60060610105101 120121220210202