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22331001231012 = 223671311993173361
BaseRepresentation
bin1010001001111010101110…
…11001010101011010100100
32221001211012212112002111010
411010331113121111122210
510411332342303343022
6115254415332142220
74463235012410115
oct504752731253244
987054185462433
1022331001231012
11712a5850328a1
122607a93167970
13c5ca5c2ba386
14572b7d24620c
1528ad31ec250c
hex144f576556a4

22331001231012 has 192 divisors, whose sum is σ = 53739757209600. Its totient is φ = 7215041433600.

The previous prime is 22331001230899. The next prime is 22331001231013. The reversal of 22331001231012 is 21013210013322.

It is a self number, because there is not a number n which added to its sum of digits gives 22331001231012.

It is not an unprimeable number, because it can be changed into a prime (22331001231013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6644152212 + ... + 6644155572.

It is an arithmetic number, because the mean of its divisors is an integer number (279894568800).

Almost surely, 222331001231012 is an apocalyptic number.

It is an amenable number.

22331001231012 is an abundant number, since it is smaller than the sum of its proper divisors (31408755978588).

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

22331001231012 is a wasteful number, since it uses less digits than its factorization.

22331001231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22331001231012 its reverse (21013210013322), we get a palindrome (43344211244334).

The spelling of 22331001231012 in words is "twenty-two trillion, three hundred thirty-one billion, one million, two hundred thirty-one thousand, twelve".