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121312346035 = 51731371244293
BaseRepresentation
bin111000011111011000…
…1110111111110110011
3102121010110120200211011
41300332301313332303
53441421430033120
6131421412331351
711523142633066
oct1607661677663
9377113520734
10121312346035
11474a2725121
121b617313b57
13b59405599a
145c2b75c8dd
1532502d3c5a
hex1c3ec77fb3

121312346035 has 32 divisors (see below), whose sum is σ = 163410642432. Its totient is φ = 86005463040.

The previous prime is 121312346011. The next prime is 121312346041. The reversal of 121312346035 is 530643213121.

It is not a de Polignac number, because 121312346035 - 211 = 121312343987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121312345988 and 121312346006.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524652 + ... + 719641.

It is an arithmetic number, because the mean of its divisors is an integer number (5106582576).

Almost surely, 2121312346035 is an apocalyptic number.

121312346035 is a deficient number, since it is larger than the sum of its proper divisors (42098296397).

121312346035 is a wasteful number, since it uses less digits than its factorization.

121312346035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244383.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 121312346035 its reverse (530643213121), we get a palindrome (651955559156).

The spelling of 121312346035 in words is "one hundred twenty-one billion, three hundred twelve million, three hundred forty-six thousand, thirty-five".

Divisors: 1 5 17 31 37 85 155 185 527 629 1147 2635 3145 5735 19499 97495 1244293 6221465 21152981 38573083 46038841 105764905 192865415 230194205 655742411 782660297 1427204071 3278712055 3913301485 7136020355 24262469207 121312346035