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122111201201012 = 221131798915017929
BaseRepresentation
bin11011110000111100111010…
…110001010100101101110100
3121000100201100120022012021222
4123300330322301110231310
5112001132220001413022
61111413040021325512
734502146254252362
oct3360747261245564
9530321316265258
10122111201201012
11359aa084711211
1211841b76266898
13531a062cb2c6a
1422222dc466632
15e1b5d4e02242
hex6f0f3ac54b74

122111201201012 has 24 divisors (see below), whose sum is σ = 215597703438600. Its totient is φ = 60511917505536.

The previous prime is 122111201200823. The next prime is 122111201201047. The reversal of 122111201201012 is 210102102111221.

It can be written as a sum of positive squares in 4 ways, for example, as 37909215446116 + 84201985754896 = 6157046^2 + 9176164^2 .

It is a super-2 number, since 2×1221112012010122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622064 + ... + 15639992.

It is an arithmetic number, because the mean of its divisors is an integer number (8983237643275).

Almost surely, 2122111201201012 is an apocalyptic number.

It is an amenable number.

122111201201012 is a deficient number, since it is larger than the sum of its proper divisors (93486502237588).

122111201201012 is a wasteful number, since it uses less digits than its factorization.

122111201201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15036035 (or 15036033 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122111201201012 its reverse (210102102111221), we get a palindrome (332213303312233).

The spelling of 122111201201012 in words is "one hundred twenty-two trillion, one hundred eleven billion, two hundred one million, two hundred one thousand, twelve".

Divisors: 1 2 4 113 226 452 17989 35978 71956 2032757 4065514 8131028 15017929 30035858 60071716 1697025977 3394051954 6788103908 270157524781 540315049562 1080630099124 30527800300253 61055600600506 122111201201012