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102020221020012 = 22346141184254461
BaseRepresentation
bin10111001100100101101111…
…000010001010011101101100
3111101020001000121120121221220
4113030211233002022131230
5101332444403040120022
61000551235330223340
730326501116366401
oct2714455702123554
9441201017517856
10102020221020012
112a563595116649
12b538251724b50
1344c0608abb9c9
141b29b3b07c2a8
15bbdba7b2585c
hex5cc96f08a76c

102020221020012 has 24 divisors (see below), whose sum is σ = 238052342796912. Its totient is φ = 34006003137600.

The previous prime is 102020221020001. The next prime is 102020221020013. The reversal of 102020221020012 is 210020122020201.

102020221020012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102020221019973 and 102020221020000.

It is not an unprimeable number, because it can be changed into a prime (102020221020013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91573539 + ... + 92680922.

It is an arithmetic number, because the mean of its divisors is an integer number (9918847616538).

Almost surely, 2102020221020012 is an apocalyptic number.

102020221020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102020221020012 is an abundant number, since it is smaller than the sum of its proper divisors (136032121776900).

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

102020221020012 is a wasteful number, since it uses less digits than its factorization.

102020221020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184300609 (or 184300607 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102020221020012 its reverse (210020122020201), we get a palindrome (312040343040213).

The spelling of 102020221020012 in words is "one hundred two trillion, twenty billion, two hundred twenty-one million, twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 46141 92282 138423 184564 276846 553692 184254461 368508922 552763383 737017844 1105526766 2211053532 8501685085001 17003370170002 25505055255003 34006740340004 51010110510006 102020221020012