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1322102012 = 2271131138469
BaseRepresentation
bin100111011001101…
…1010110011111100
310102010202202000012
41032303122303330
510201424231022
6335105122352
744522452550
oct11663326374
93363682005
101322102012
116193238a0
1230a9293b8
13180ba60aa
14c7835860
157b108de2
hex4ecdacfc

1322102012 has 48 divisors (see below), whose sum is σ = 2977658880. Its totient is φ = 498484800.

The previous prime is 1322102009. The next prime is 1322102017. The reversal of 1322102012 is 2102012231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322102017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59687 + ... + 78782.

It is an arithmetic number, because the mean of its divisors is an integer number (62034560).

Almost surely, 21322102012 is an apocalyptic number.

It is an amenable number.

1322102012 is an abundant number, since it is smaller than the sum of its proper divisors (1655556868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1322102012 is a wasteful number, since it uses less digits than its factorization.

1322102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138522 (or 138520 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1322102012 is about 36360.7207299305. The cubic root of 1322102012 is about 1097.5432809314.

Adding to 1322102012 its reverse (2102012231), we get a palindrome (3424114243).

The spelling of 1322102012 in words is "one billion, three hundred twenty-two million, one hundred two thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 154 217 308 341 434 682 868 1364 2387 4774 9548 138469 276938 553876 969283 1523159 1938566 3046318 3877132 4292539 6092636 8585078 10662113 17170156 21324226 30047773 42648452 47217929 60095546 94435858 120191092 188871716 330525503 661051006 1322102012