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2102012010012 = 223401436827101
BaseRepresentation
bin11110100101101001101…
…011011101111000011100
321102221122211102220002010
4132211221223131320130
5233414410033310022
64245352340231220
7304602550165665
oct36455153357034
97387584386063
102102012010012
11740504a86882
1229b47369b510
131232acb64885
1473a48c1436c
1539a28b9d50c
hex1e969adde1c

2102012010012 has 24 divisors (see below), whose sum is σ = 4916925860112. Its totient is φ = 698923360000.

The previous prime is 2102012009987. The next prime is 2102012010013. The reversal of 2102012010012 is 2100102102012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2102012010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102012010013) 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, 218408739 + ... + 218418362.

It is an arithmetic number, because the mean of its divisors is an integer number (204871910838).

Almost surely, 22102012010012 is an apocalyptic number.

It is an amenable number.

2102012010012 is an abundant number, since it is smaller than the sum of its proper divisors (2814913850100).

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

2102012010012 is a wasteful number, since it uses less digits than its factorization.

2102012010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436827509 (or 436827507 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2102012010012 its reverse (2100102102012), we get a palindrome (4202114112024).

The spelling of 2102012010012 in words is "two trillion, one hundred two billion, twelve million, ten thousand, twelve".

Divisors: 1 2 3 4 6 12 401 802 1203 1604 2406 4812 436827101 873654202 1310481303 1747308404 2620962606 5241925212 175167667501 350335335002 525503002503 700670670004 1051006005006 2102012010012