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10202020122212 = 2222131152510181
BaseRepresentation
bin1001010001110101011111…
…0010010000111001100100
31100010022012022201210000222
42110131113302100321210
52314122214122402322
633410424321223512
72102033366141402
oct224352762207144
940108168653028
1010202020122212
11328371a435a06
121189277a91b98
1359007ab48989
14273acd626472
1512a5a0901e42
hex94757c90e64

10202020122212 has 12 divisors (see below), whose sum is σ = 17861602800636. Its totient is φ = 5098705036320.

The previous prime is 10202020122211. The next prime is 10202020122227. The reversal of 10202020122212 is 21222102020201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5710646972416 + 4491373149796 = 2389696^2 + 2119286^2 .

It is not an unprimeable number, because it can be changed into a prime (10202020122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576246239 + ... + 576263942.

It is an arithmetic number, because the mean of its divisors is an integer number (1488466900053).

Almost surely, 210202020122212 is an apocalyptic number.

It is an amenable number.

10202020122212 is a deficient number, since it is larger than the sum of its proper divisors (7659582678424).

10202020122212 is a wasteful number, since it uses less digits than its factorization.

10202020122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152512398 (or 1152512396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10202020122212 its reverse (21222102020201), we get a palindrome (31424122142413).

The spelling of 10202020122212 in words is "ten trillion, two hundred two billion, twenty million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 2213 4426 8852 1152510181 2305020362 4610040724 2550505030553 5101010061106 10202020122212