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12221120102 = 219131992461
BaseRepresentation
bin10110110000110111…
…10111111001100110
31011112201012020002212
423120123313321212
5200012101320402
65340405003422
7611564543522
oct133033677146
934481166085
1012221120102
11520155a464
1224509b3572
1311c9c05019
1483d13ad82
154b7d9c952
hex2d86f7e66

12221120102 has 8 divisors (see below), whose sum is σ = 18427658112. Its totient is φ = 6078567400.

The previous prime is 12221120101. The next prime is 12221120129. The reversal of 12221120102 is 20102112221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221120101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15995849 + ... + 15996612.

It is an arithmetic number, because the mean of its divisors is an integer number (2303457264).

Almost surely, 212221120102 is an apocalyptic number.

12221120102 is a deficient number, since it is larger than the sum of its proper divisors (6206538010).

12221120102 is a wasteful number, since it uses less digits than its factorization.

12221120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31992654.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221120102 its reverse (20102112221), we get a palindrome (32323232323).

The spelling of 12221120102 in words is "twelve billion, two hundred twenty-one million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 191 382 31992461 63984922 6110560051 12221120102