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12303112220022 = 23131087145107827
BaseRepresentation
bin1011001100001000101010…
…1000100010110101110110
31121120011111001012021210210
42303002022220202311312
53103033233212020042
642055545520530250
72406604406246541
oct263021250426566
947504431167723
1012303112220022
113a137a211a068
121468513480986
136b32422346b0
1430768c1b9858
1516507393da9c
hexb308aa22d76

12303112220022 has 32 divisors (see below), whose sum is σ = 26523389233152. Its totient is φ = 3782090376864.

The previous prime is 12303112219973. The next prime is 12303112220023. The reversal of 12303112220022 is 22002221130321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303112220023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72469128 + ... + 72638699.

It is an arithmetic number, because the mean of its divisors is an integer number (828855913536).

Almost surely, 212303112220022 is an apocalyptic number.

12303112220022 is an abundant number, since it is smaller than the sum of its proper divisors (14220277013130).

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

12303112220022 is a wasteful number, since it uses less digits than its factorization.

12303112220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145108932.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12303112220022 its reverse (22002221130321), we get a palindrome (34305333350343).

The spelling of 12303112220022 in words is "twelve trillion, three hundred three billion, one hundred twelve million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 1087 2174 3261 6522 14131 28262 42393 84786 145107827 290215654 435323481 870646962 1886401751 3772803502 5659205253 11318410506 157732207949 315464415898 473196623847 946393247694 2050518703337 4101037406674 6151556110011 12303112220022