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122010211121212 = 2277976139117823
BaseRepresentation
bin11011101111011110110111…
…010010101111100000111100
3121000000001200101122120220001
4123233132313102233200330
5111443003403021334322
61111254414525404044
734461642525611011
oct3357366722574074
9530001611576801
10122010211121212
1135970270418547
1211826490a09624
13531068a32a7ab
14221b47bb1b708
15e18b73ce5827
hex6ef7b74af83c

122010211121212 has 12 divisors (see below), whose sum is σ = 213518148745216. Its totient is φ = 61005025765440.

The previous prime is 122010211121147. The next prime is 122010211121233. The reversal of 122010211121212 is 212121112010221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122010211121212.

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, 16439868 + ... + 22677955.

Almost surely, 2122010211121212 is an apocalyptic number.

It is an amenable number.

122010211121212 is a deficient number, since it is larger than the sum of its proper divisors (91507937624004).

122010211121212 is a wasteful number, since it uses less digits than its factorization.

122010211121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39897588 (or 39897586 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122010211121212 its reverse (212121112010221), we get a palindrome (334131323131433).

The spelling of 122010211121212 in words is "one hundred twenty-two trillion, ten billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 779761 1559522 3119044 39117823 78235646 156471292 30502552780303 61005105560606 122010211121212