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103012211322012 = 22346324918530749
BaseRepresentation
bin10111011011000001100110…
…010000110110110010011100
3111111201212112010100020101110
4113123001212100312302130
5102000223002044301022
61003031053453142020
730461246425004256
oct2733014620666234
9444655463306343
10103012211322012
112a90626284a913
12b67855918a910
13456301882a175
141b61b63814cd6
15bd98b60c800c
hex5db066436c9c

103012211322012 has 24 divisors (see below), whose sum is σ = 240362358250000. Its totient is φ = 34337327798016.

The previous prime is 103012211322011. The next prime is 103012211322023. The reversal of 103012211322012 is 210223112210301.

It is a super-2 number, since 2×1030122113220122 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103012211322012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012211322011) 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 7 ways as a sum of consecutive naturals, for example, 3706387 + ... + 14824362.

Almost surely, 2103012211322012 is an apocalyptic number.

103012211322012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103012211322012 is an abundant number, since it is smaller than the sum of its proper divisors (137350146927988).

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

103012211322012 is a wasteful number, since it uses less digits than its factorization.

103012211322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18994005 (or 18994003 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 103012211322012 its reverse (210223112210301), we get a palindrome (313235323532313).

The spelling of 103012211322012 in words is "one hundred three trillion, twelve billion, two hundred eleven million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 463249 926498 1389747 1852996 2779494 5558988 18530749 37061498 55592247 74122996 111184494 222368988 8584350943501 17168701887002 25753052830503 34337403774004 51506105661006 103012211322012