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12220022202 = 234149674887
BaseRepresentation
bin10110110000101111…
…01011110110111010
31011112122010110001220
423120113223312322
5200011311202302
65340325252510
7611552321613
oct133027536672
934478113056
1012220022202
11520097a603
122450564136
1311c990c38b
1483cd32c0a
154b7c324bc
hex2d85ebdba

12220022202 has 16 divisors (see below), whose sum is σ = 25036143552. Its totient is φ = 3973990880.

The previous prime is 12220022183. The next prime is 12220022203. The reversal of 12220022202 is 20222002221.

It is not an unprimeable number, because it can be changed into a prime (12220022203) 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, 24837198 + ... + 24837689.

It is an arithmetic number, because the mean of its divisors is an integer number (1564758972).

Almost surely, 212220022202 is an apocalyptic number.

12220022202 is an abundant number, since it is smaller than the sum of its proper divisors (12816121350).

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

12220022202 is a wasteful number, since it uses less digits than its factorization.

12220022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49674933.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12220022202 its reverse (20222002221), we get a palindrome (32442024423).

The spelling of 12220022202 in words is "twelve billion, two hundred twenty million, twenty-two thousand, two hundred two".

Divisors: 1 2 3 6 41 82 123 246 49674887 99349774 149024661 298049322 2036670367 4073340734 6110011101 12220022202