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121002034220 = 2256050101711
BaseRepresentation
bin111000010110001001…
…0001000010000101100
3102120022211200020000222
41300230102020100230
53440303010043340
6131330525310512
711512354214654
oct1605422102054
9376284606028
10121002034220
1147353548281
121b54b405438
13b544987422
145bdc463364
153232e398b5
hex1c2c48842c

121002034220 has 12 divisors (see below), whose sum is σ = 254104271904. Its totient is φ = 48400813680.

The previous prime is 121002034211. The next prime is 121002034229. The reversal of 121002034220 is 22430200121.

It is an interprime number because it is at equal distance from previous prime (121002034211) and next prime (121002034229).

It is not an unprimeable number, because it can be changed into a prime (121002034229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025050836 + ... + 3025050875.

It is an arithmetic number, because the mean of its divisors is an integer number (21175355992).

Almost surely, 2121002034220 is an apocalyptic number.

121002034220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002034220 is an abundant number, since it is smaller than the sum of its proper divisors (133102237684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121002034220 is a wasteful number, since it uses less digits than its factorization.

121002034220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050101720 (or 6050101718 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 121002034220 its reverse (22430200121), we get a palindrome (143432234341).

The spelling of 121002034220 in words is "one hundred twenty-one billion, two million, thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 6050101711 12100203422 24200406844 30250508555 60501017110 121002034220