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13121030111122 = 28379042350067
BaseRepresentation
bin1011111011101111101001…
…0101101011111110010010
31201110100200011000012120201
42332323322111223332102
53204433332202023442
643523415031525414
72522651233515253
oct276737225537622
951410604005521
1013121030111122
1141a966348461a
12157ab3a52986a
137424003c339b
143350c00b6b2a
1517b494cba7b7
hexbeefa56bf92

13121030111122 has 8 divisors (see below), whose sum is σ = 19918672217136. Its totient is φ = 6481472705412.

The previous prime is 13121030111099. The next prime is 13121030111179. The reversal of 13121030111122 is 22111103012131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131210301111222 (a number of 27 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 13121030111122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39521174868 + ... + 39521175199.

It is an arithmetic number, because the mean of its divisors is an integer number (2489834027142).

Almost surely, 213121030111122 is an apocalyptic number.

13121030111122 is a deficient number, since it is larger than the sum of its proper divisors (6797642106014).

13121030111122 is an equidigital number, since it uses as much as digits as its factorization.

13121030111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79042350152.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 13121030111122 its reverse (22111103012131), we get a palindrome (35232133123253).

The spelling of 13121030111122 in words is "thirteen trillion, one hundred twenty-one billion, thirty million, one hundred eleven thousand, one hundred twenty-two".

Divisors: 1 2 83 166 79042350067 158084700134 6560515055561 13121030111122