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2021112010012 = 224389359367771
BaseRepresentation
bin11101011010010011101…
…010011101010100011100
321011012211202211002011211
4131122103222131110130
5231103214133310022
64144252552354204
7266010016425454
oct35322352352434
97135752732154
102021112010012
1170a170048447
122878563a5964
131187894363a4
146db7271cd64
15378916a2e77
hex1d693a9d51c

2021112010012 has 48 divisors (see below), whose sum is σ = 3670070342400. Its totient is φ = 973242990720.

The previous prime is 2021112010007. The next prime is 2021112010013. The reversal of 2021112010012 is 2100102111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021112009974 and 2021112010001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021112010013) 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, 5311687 + ... + 5679457.

It is an arithmetic number, because the mean of its divisors is an integer number (76459798800).

Almost surely, 22021112010012 is an apocalyptic number.

It is an amenable number.

2021112010012 is a deficient number, since it is larger than the sum of its proper divisors (1648958332388).

2021112010012 is a wasteful number, since it uses less digits than its factorization.

2021112010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368266 (or 368264 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021112010012 its reverse (2100102111202), we get a palindrome (4121214121214).

The spelling of 2021112010012 in words is "two trillion, twenty-one billion, one hundred twelve million, ten thousand, twelve".

Divisors: 1 2 4 43 86 89 172 178 356 359 718 1436 3827 7654 15308 15437 30874 31951 61748 63902 127804 367771 735542 1373893 1471084 2747786 5495572 15814153 31628306 32731619 63256612 65463238 130926476 132029789 264059578 528119156 1407459617 2814919234 5629838468 5677280927 11354561854 11750651221 22709123708 23501302442 47002604884 505278002503 1010556005006 2021112010012