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12211200102 = 232855971263
BaseRepresentation
bin10110101111101100…
…00010000001100110
31011112000112020102110
423113312002001212
5200002031400402
65335412221450
7611414326323
oct132766020146
934460466373
1012211200102
1151a69a4412
12244960a886
1311c7b409ba
1483bab7b4a
154b708d56c
hex2d7d82066

12211200102 has 16 divisors (see below), whose sum is σ = 24423598080. Its totient is φ = 4070200392.

The previous prime is 12211200101. The next prime is 12211200121. The reversal of 12211200102 is 20100211221.

It is a super-2 number, since 2×122112001022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135723 + ... + 206985.

It is an arithmetic number, because the mean of its divisors is an integer number (1526474880).

Almost surely, 212211200102 is an apocalyptic number.

12211200102 is an abundant number, since it is smaller than the sum of its proper divisors (12212397978).

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

12211200102 is a wasteful number, since it uses less digits than its factorization.

12211200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99827.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211200102 its reverse (20100211221), we get a palindrome (32311411323).

The spelling of 12211200102 in words is "twelve billion, two hundred eleven million, two hundred thousand, one hundred two".

Divisors: 1 2 3 6 28559 57118 71263 85677 142526 171354 213789 427578 2035200017 4070400034 6105600051 12211200102