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12210212112110 = 254193235390073
BaseRepresentation
bin1011000110101110100101…
…0110110000011011101110
31121020021200200020211112022
42301223221112300123232
53100023003300041420
641545143301110142
72400105303333065
oct261535126603356
947207620224468
1012210212112110
11398835a465a81
1214525073b8352
136a755863453c
14302d980791dc
15162937ba0c25
hexb1ae95b06ee

12210212112110 has 32 divisors (see below), whose sum is σ = 22031761721760. Its totient is φ = 4872223623168.

The previous prime is 12210212112047. The next prime is 12210212112113. The reversal of 12210212112110 is 1121121201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210212112113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135514034 + ... + 135604106.

It is an arithmetic number, because the mean of its divisors is an integer number (688492553805).

Almost surely, 212210212112110 is an apocalyptic number.

12210212112110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210212112110 is a deficient number, since it is larger than the sum of its proper divisors (9821549609650).

12210212112110 is a wasteful number, since it uses less digits than its factorization.

12210212112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122852.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12210212112110 its reverse (1121121201221), we get a palindrome (13331333313331).

The spelling of 12210212112110 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 419 838 2095 4190 32353 64706 90073 161765 180146 323530 450365 900730 13555907 27111814 37740587 67779535 75481174 135559070 188702935 377405870 2914131769 5828263538 14570658845 29141317690 1221021211211 2442042422422 6105106056055 12210212112110