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122100212011210 = 25101120891299021
BaseRepresentation
bin11011110000110010101011…
…110000111001000011001010
3121000022122222201012111212021
4123300302223300321003022
5112000442213233324320
61111404021341035054
734501310035552216
oct3360625360710312
9530278881174767
10122100212011210
11359a5455597274
121183ba09b55a8a
1353190013a1ba4
142221978bab946
15e1b19029adaa
hex6f0cabc390ca

122100212011210 has 16 divisors (see below), whose sum is σ = 221956425004392. Its totient is φ = 48356519608000.

The previous prime is 122100212011207. The next prime is 122100212011237. The reversal of 122100212011210 is 12110212001221.

It can be written as a sum of positive squares in 4 ways, for example, as 111995042038441 + 10105169972769 = 10582771^2 + 3178863^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60445648501 + ... + 60445650520.

Almost surely, 2122100212011210 is an apocalyptic number.

122100212011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122100212011210 is a deficient number, since it is larger than the sum of its proper divisors (99856212993182).

122100212011210 is a wasteful number, since it uses less digits than its factorization.

122100212011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120891299129.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122100212011210 its reverse (12110212001221), we get a palindrome (134210424012431).

The spelling of 122100212011210 in words is "one hundred twenty-two trillion, one hundred billion, two hundred twelve million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 120891299021 241782598042 604456495105 1208912990210 12210021201121 24420042402242 61050106005605 122100212011210