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12212373 = 3792272
BaseRepresentation
bin101110100101…
…100010010101
3211222110020010
4232211202111
511111243443
61113430433
7205542405
oct56454225
924873203
1012212373
116991378
12410b419
1326b7874
14189c805
151113733
hexba5895

12212373 has 12 divisors (see below), whose sum is σ = 16562240. Its totient is φ = 8003112.

The previous prime is 12212363. The next prime is 12212377. The reversal of 12212373 is 37321221.

12212373 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12212373 - 212 = 12208277 is a prime.

It is a super-2 number, since 2×122123732 = 298284108582258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53686 + ... + 53912.

Almost surely, 212212373 is an apocalyptic number.

It is an amenable number.

12212373 is a deficient number, since it is larger than the sum of its proper divisors (4349867).

12212373 is an frugal number, since it uses more digits than its factorization.

12212373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 309 counting only the distinct ones).

The product of its digits is 504, while the sum is 21.

The square root of 12212373 is about 3494.6205802633. The cubic root of 12212373 is about 230.2855495597.

Adding to 12212373 its reverse (37321221), we get a palindrome (49533594).

The spelling of 12212373 in words is "twelve million, two hundred twelve thousand, three hundred seventy-three".

Divisors: 1 3 79 227 237 681 17933 51529 53799 154587 4070791 12212373