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120012011221011 = 3713510786078801
BaseRepresentation
bin11011010010011001111001…
…010011000011000000010011
3120201221000222102000021121220
4123102121321103003000103
5111212234044333033021
61103124431251020123
734164403341654210
oct3322317123030023
9521830872007556
10120012011221011
113526a89869a348
121156316b89a643
1351c71129bca40
14218c88036cb07
15dd1bc3d90cc6
hex6d26794c3013

120012011221011 has 32 divisors (see below), whose sum is σ = 196981353235968. Its totient is φ = 63290642803200.

The previous prime is 120012011221007. The next prime is 120012011221013. The reversal of 120012011221011 is 110122110210021.

It is a happy number.

It is not a de Polignac number, because 120012011221011 - 22 = 120012011221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012011221013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41645190 + ... + 44433611.

It is an arithmetic number, because the mean of its divisors is an integer number (6155667288624).

Almost surely, 2120012011221011 is an apocalyptic number.

120012011221011 is a deficient number, since it is larger than the sum of its proper divisors (76969342014957).

120012011221011 is a wasteful number, since it uses less digits than its factorization.

120012011221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86083931.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120012011221011 its reverse (110122110210021), we get a palindrome (230134121431032).

The spelling of 120012011221011 in words is "one hundred twenty trillion, twelve billion, eleven million, two hundred twenty-one thousand, eleven".

Divisors: 1 3 7 13 21 39 91 273 5107 15321 35749 66391 107247 199173 464737 1394211 86078801 258236403 602551607 1119024413 1807654821 3357073239 7833170891 23499512673 439604436707 1318813310121 3077231056949 5714857677191 9231693170847 17144573031573 40004003740337 120012011221011