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12021002 = 274718269
BaseRepresentation
bin101101110110…
…110100001010
3211121201201022
4231312310022
511034133002
61105352442
7204114440
oct55666412
924551638
1012021002
116870614
124038722
13264b726
14184cb90
1510c6ba2
hexb76d0a

12021002 has 16 divisors (see below), whose sum is σ = 21047040. Its totient is φ = 5041968.

The previous prime is 12021001. The next prime is 12021007. The reversal of 12021002 is 20012021.

It is not an unprimeable number, because it can be changed into a prime (12021001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8477 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (1315440).

Almost surely, 212021002 is an apocalyptic number.

12021002 is a deficient number, since it is larger than the sum of its proper divisors (9026038).

12021002 is a wasteful number, since it uses less digits than its factorization.

12021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 12021002 is about 3467.1316675315. The cubic root of 12021002 is about 229.0763333813.

Adding to 12021002 its reverse (20012021), we get a palindrome (32033023).

The spelling of 12021002 in words is "twelve million, twenty-one thousand, two".

Divisors: 1 2 7 14 47 94 329 658 18269 36538 127883 255766 858643 1717286 6010501 12021002