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12022202120212 = 2238947231635899
BaseRepresentation
bin1010111011110010001100…
…0101100011100000010100
31120120022101221021200002001
42232330203011203200110
53033432432220321322
641322531242325044
72350401242635654
oct256744305434024
946508357250061
1012022202120212
113915650751389
121421b971b9784
136928c538bc1b
142d7c40534364
1515cad2176827
hexaef23163814

12022202120212 has 24 divisors (see below), whose sum is σ = 21097417068000. Its totient is φ = 5994375236256.

The previous prime is 12022202120183. The next prime is 12022202120329. The reversal of 12022202120212 is 21202120222021.

It is a self number, because there is not a number n which added to its sum of digits gives 12022202120212.

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, 6531039 + ... + 8166937.

It is an arithmetic number, because the mean of its divisors is an integer number (879059044500).

Almost surely, 212022202120212 is an apocalyptic number.

It is an amenable number.

12022202120212 is a deficient number, since it is larger than the sum of its proper divisors (9075214947788).

12022202120212 is a wasteful number, since it uses less digits than its factorization.

12022202120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641015 (or 1641013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12022202120212 its reverse (21202120222021), we get a palindrome (33224322342233).

The spelling of 12022202120212 in words is "twelve trillion, twenty-two billion, two hundred two million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 389 778 1556 4723 9446 18892 1635899 1837247 3271798 3674494 6543596 7348988 636364711 1272729422 2545458844 7726350977 15452701954 30905403908 3005550530053 6011101060106 12022202120212