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12101202222 = 233122098717
BaseRepresentation
bin10110100010100100…
…11011000100101110
31011020100112202200220
423101102123010232
5144240401432342
65320442432210
7605610343644
oct132122330456
934210482626
1012101202222
11514a8a437a
122418802666
1311ab1095b5
1482b243194
154ac5b15ec
hex2d149b12e

12101202222 has 24 divisors (see below), whose sum is σ = 25008323688. Its totient is φ = 3903611760.

The previous prime is 12101202209. The next prime is 12101202227. The reversal of 12101202222 is 22220210121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101202227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043593 + ... + 1055124.

It is an arithmetic number, because the mean of its divisors is an integer number (1042013487).

Almost surely, 212101202222 is an apocalyptic number.

12101202222 is an abundant number, since it is smaller than the sum of its proper divisors (12907121466).

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

12101202222 is a wasteful number, since it uses less digits than its factorization.

12101202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098784 (or 2098753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12101202222 its reverse (22220210121), we get a palindrome (34321412343).

The spelling of 12101202222 in words is "twelve billion, one hundred one million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 2098717 4197434 6296151 12592302 65060227 130120454 195180681 390361362 2016867037 4033734074 6050601111 12101202222