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202012000121 = 1997079143401
BaseRepresentation
bin1011110000100011011…
…0100111111101111001
3201022102120012212210102
42330020312213331321
511302210033000441
6232445242125145
720411021445401
oct2741066477571
9638376185712
10202012000121
1178744564718
12331994b07b5
13160851085a9
149ac53c1801
1553c4e0769b
hex2f08da7f79

202012000121 has 8 divisors (see below), whose sum is σ = 203057232000. Its totient is φ = 200967069600.

The previous prime is 202012000117. The next prime is 202012000163. The reversal of 202012000121 is 121000210202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202012000121 - 22 = 202012000117 is a prime.

It is a super-3 number, since 3×2020120001213 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202012000171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337021 + ... + 1480421.

It is an arithmetic number, because the mean of its divisors is an integer number (25382154000).

Almost surely, 2202012000121 is an apocalyptic number.

It is an amenable number.

202012000121 is a deficient number, since it is larger than the sum of its proper divisors (1045231879).

202012000121 is a wasteful number, since it uses less digits than its factorization.

202012000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150679.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 202012000121 its reverse (121000210202), we get a palindrome (323012210323).

The spelling of 202012000121 in words is "two hundred two billion, twelve million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 199 7079 143401 1408721 28536799 1015135679 202012000121