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12100001210210 = 255518492192629
BaseRepresentation
bin1011000000010100000001…
…0001100001111101100010
31120211202012212222221010202
42300011000101201331202
53041221300302211320
641422355215025202
72356124211201224
oct260050021417542
946752185887122
1012100001210210
113945644267181
121435089b0b202
1369a043534114
142db900c76414
1515eb372e8b75
hexb0140461f62

12100001210210 has 16 divisors (see below), whose sum is σ = 21780051579000. Its totient is φ = 4839989506176.

The previous prime is 12100001210191. The next prime is 12100001210237. The reversal of 12100001210210 is 1201210000121.

It can be written as a sum of positive squares in 4 ways, for example, as 7735190250841 + 4364810959369 = 2781221^2 + 2089213^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12100001210191 and 12100001210200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422176 + ... + 6614804.

Almost surely, 212100001210210 is an apocalyptic number.

12100001210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100001210210 is a deficient number, since it is larger than the sum of its proper divisors (9680050368790).

12100001210210 is a wasteful number, since it uses less digits than its factorization.

12100001210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744485.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12100001210210 its reverse (1201210000121), we get a palindrome (13301211210331).

The spelling of 12100001210210 in words is "twelve trillion, one hundred billion, one million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 551849 1103698 2192629 2759245 4385258 5518490 10963145 21926290 1210000121021 2420000242042 6050000605105 12100001210210