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1202100212012 = 227243142631729
BaseRepresentation
bin10001011111100010110…
…000011001000100101100
311020220211102121221020112
4101133202300121010230
5124143400123241022
62320123123235152
7152564110132100
oct21374260310454
94226742557215
101202100212012
1142389825a4a7
12174b84b18ab8
138948574b1cb
144227942b900
15214092958e2
hex117e2c1912c

1202100212012 has 36 divisors (see below), whose sum is σ = 2504042651880. Its totient is φ = 503204736384.

The previous prime is 1202100212011. The next prime is 1202100212023. The reversal of 1202100212012 is 2102120012021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1202100212011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71307437 + ... + 71324292.

It is an arithmetic number, because the mean of its divisors is an integer number (69556740330).

Almost surely, 21202100212012 is an apocalyptic number.

It is an amenable number.

1202100212012 is an abundant number, since it is smaller than the sum of its proper divisors (1301942439868).

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

1202100212012 is a wasteful number, since it uses less digits than its factorization.

1202100212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142631790 (or 142631781 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202100212012 its reverse (2102120012021), we get a palindrome (3304220224033).

The spelling of 1202100212012 in words is "one trillion, two hundred two billion, one hundred million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 7 14 28 43 49 86 98 172 196 301 602 1204 2107 4214 8428 142631729 285263458 570526916 998422103 1996844206 3993688412 6133164347 6988954721 12266328694 13977909442 24532657388 27955818884 42932150429 85864300858 171728601716 300525053003 601050106006 1202100212012