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12122021022 = 232020336837
BaseRepresentation
bin10110100101000011…
…10101110010011110
31011021210201110201120
423102201311302132
5144311214133042
65322504551410
7606252323106
oct132241656236
934253643646
1012122021022
1151606238a1
122423782566
1311b2518607
1482dd02206
154ae324dec
hex2d2875c9e

12122021022 has 8 divisors (see below), whose sum is σ = 24244042056. Its totient is φ = 4040673672.

The previous prime is 12122021017. The next prime is 12122021053. The reversal of 12122021022 is 22012022121.

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

12122021022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12122020992 and 12122021010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010168413 + ... + 1010168424.

It is an arithmetic number, because the mean of its divisors is an integer number (3030505257).

Almost surely, 212122021022 is an apocalyptic number.

12122021022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12122021022 is a wasteful number, since it uses less digits than its factorization.

12122021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020336842.

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

Adding to 12122021022 its reverse (22012022121), we get a palindrome (34134043143).

The spelling of 12122021022 in words is "twelve billion, one hundred twenty-two million, twenty-one thousand, twenty-two".

Divisors: 1 2 3 6 2020336837 4040673674 6061010511 12122021022