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12211201012110 = 235444281916177
BaseRepresentation
bin1011000110110010010001…
…0011000111000110001110
31121020101020121001011022020
42301230210103013012032
53100032014424341420
641545425344431010
72400141642003342
oct261544423070616
947211217034266
1012211201012110
113988817698201
121452742618466
136a7685486279
1430304d537622
151629948dd340
hexb1b244c718e

12211201012110 has 32 divisors (see below), whose sum is σ = 29306980382112. Its totient is φ = 3256309386240.

The previous prime is 12211201012091. The next prime is 12211201012273. The reversal of 12211201012110 is 1121010211221.

It is a happy number.

It is a super-2 number, since 2×122112010121102 (a number of 27 digits) contains 22 as substring.

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 12211201012110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12870342 + ... + 13786518.

It is an arithmetic number, because the mean of its divisors is an integer number (915843136941).

Almost surely, 212211201012110 is an apocalyptic number.

12211201012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211201012110 is an abundant number, since it is smaller than the sum of its proper divisors (17095779370002).

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

12211201012110 is a wasteful number, since it uses less digits than its factorization.

12211201012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360468.

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

Adding to 12211201012110 its reverse (1121010211221), we get a palindrome (13332211223331).

The spelling of 12211201012110 in words is "twelve trillion, two hundred eleven billion, two hundred one million, twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 444281 888562 916177 1332843 1832354 2221405 2665686 2748531 4442810 4580885 5497062 6664215 9161770 13328430 13742655 27485310 407040033737 814080067474 1221120101211 2035200168685 2442240202422 4070400337370 6105600506055 12211201012110