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1012122112011 = 34127130363967
BaseRepresentation
bin11101011101001110010…
…11011101000000001011
310120202110112022112000120
432232213023131000023
5113040311230041021
62052543521234323
7133060221001323
oct16564713350013
93522415275016
101012122112011
1136026960108a
121441a57929a3
137459a81669a
1436db6370283
151b4daaa82c6
hexeba72dd00b

1012122112011 has 16 divisors (see below), whose sum is σ = 1387511881728. Its totient is φ = 655861665600.

The previous prime is 1012122111943. The next prime is 1012122112033. The reversal of 1012122112011 is 1102112212101.

Adding to 1012122112011 its reverse (1102112212101), we get a palindrome (2114234324112).

It is a happy number.

It is not a de Polignac number, because 1012122112011 - 219 = 1012121587723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012122114011) 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, 15148651 + ... + 15215316.

It is an arithmetic number, because the mean of its divisors is an integer number (86719492608).

Almost surely, 21012122112011 is an apocalyptic number.

1012122112011 is a deficient number, since it is larger than the sum of its proper divisors (375389769717).

1012122112011 is a wasteful number, since it uses less digits than its factorization.

1012122112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30364282.

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

The spelling of 1012122112011 in words is "one trillion, twelve billion, one hundred twenty-two million, one hundred twelve thousand, eleven".

Divisors: 1 3 41 123 271 813 11111 33333 30363967 91091901 1244922647 3734767941 8228635057 24685905171 337374037337 1012122112011