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12210212011110 = 23531371975033581
BaseRepresentation
bin1011000110101110100101…
…0110010111110001100110
31121020021200200001200222120
42301223221112113301212
53100023003233323420
641545143255010410
72400105302432451
oct261535126276146
947207620050876
1012210212011110
11398835a3a7103
121452507369a06
136a75585ca589
14302d98050498
15162937b80d40
hexb1ae9597c66

12210212011110 has 256 divisors, whose sum is σ = 31295895257088. Its totient is φ = 3043382630400.

The previous prime is 12210212011031. The next prime is 12210212011117. The reversal of 12210212011110 is 1111021201221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12210212011110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210212011117) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3409719520 + ... + 3409723100.

It is an arithmetic number, because the mean of its divisors is an integer number (122249590848).

Almost surely, 212210212011110 is an apocalyptic number.

12210212011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12210212011110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15647947628544).

12210212011110 is an abundant number, since it is smaller than the sum of its proper divisors (19085683245978).

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

12210212011110 is a wasteful number, since it uses less digits than its factorization.

12210212011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4359.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12210212011110 its reverse (1111021201221), we get a palindrome (13321233212331).

The spelling of 12210212011110 in words is "twelve trillion, two hundred ten billion, two hundred twelve million, eleven thousand, one hundred ten".