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120312002131211 = 1141787338967203
BaseRepresentation
bin11011010110110001010010…
…001001100011010100001011
3120202222201022021211111111202
4123112301102021203110023
5111232142440021144321
61103514323141214415
734225153366430642
oct3326612211432413
9522881267744452
10120312002131211
1135376040748310
12115b133210140b
1352194b0988167
14219d1bc1c6359
15dd98d085670b
hex6d6c5226350b

120312002131211 has 16 divisors (see below), whose sum is σ = 134621503003008. Its totient is φ = 106571288308800.

The previous prime is 120312002131183. The next prime is 120312002131219. The reversal of 120312002131211 is 112131200213021.

It is a cyclic number.

It is not a de Polignac number, because 120312002131211 - 230 = 120310928389387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120312002131219) 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, 169128665 + ... + 169838538.

It is an arithmetic number, because the mean of its divisors is an integer number (8413843937688).

Almost surely, 2120312002131211 is an apocalyptic number.

120312002131211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120312002131211 is a deficient number, since it is larger than the sum of its proper divisors (14309500871797).

120312002131211 is a wasteful number, since it uses less digits than its factorization.

120312002131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338968042.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 120312002131211 its reverse (112131200213021), we get a palindrome (232443202344232).

The spelling of 120312002131211 in words is "one hundred twenty trillion, three hundred twelve billion, two million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 11 41 451 787 8657 32267 354937 338967203 3728639233 13897655323 152874208553 266767188761 2934439076371 10937454739201 120312002131211