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2100102220012 = 221217431409659
BaseRepresentation
bin11110100011110111110…
…110001100100011101100
321102202201201211111201011
4132203313312030203230
5233402002132020022
64244435034555004
7304504330223056
oct36436766144354
97382651744634
102100102220012
1173a714a54335
1229b01bb98a64
131230672b3c14
147390731c8d6
15399661a9977
hex1e8f7d8c8ec

2100102220012 has 12 divisors (see below), whose sum is σ = 3678198761160. Its totient is φ = 1049188288256.

The previous prime is 2100102220003. The next prime is 2100102220039. The reversal of 2100102220012 is 2100222010012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2100102219974 and 2100102220001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215699962 + ... + 215709697.

It is an arithmetic number, because the mean of its divisors is an integer number (306516563430).

Almost surely, 22100102220012 is an apocalyptic number.

It is an amenable number.

2100102220012 is a deficient number, since it is larger than the sum of its proper divisors (1578096541148).

2100102220012 is a wasteful number, since it uses less digits than its factorization.

2100102220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431410880 (or 431410878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2100102220012 its reverse (2100222010012), we get a palindrome (4200324230024).

The spelling of 2100102220012 in words is "two trillion, one hundred billion, one hundred two million, two hundred twenty thousand, twelve".

Divisors: 1 2 4 1217 2434 4868 431409659 862819318 1725638636 525025555003 1050051110006 2100102220012