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12121301022 = 232020216837
BaseRepresentation
bin10110100100111110…
…00110000000011110
31011021202100220001220
423102133012000132
5144311023113042
65322441314210
7606243234015
oct132237060036
934252326056
1012121301022
115160181956
122423495966
1311b232598c
1482db95a7c
154ae2318ec
hex2d27c601e

12121301022 has 8 divisors (see below), whose sum is σ = 24242602056. Its totient is φ = 4040433672.

The previous prime is 12121300999. The next prime is 12121301107. The reversal of 12121301022 is 22010312121.

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

12121301022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12121300992 and 12121301010.

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, 1010108413 + ... + 1010108424.

It is an arithmetic number, because the mean of its divisors is an integer number (3030325257).

Almost surely, 212121301022 is an apocalyptic number.

12121301022 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.

12121301022 is a wasteful number, since it uses less digits than its factorization.

12121301022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020216842.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12121301022 its reverse (22010312121), we get a palindrome (34131613143).

The spelling of 12121301022 in words is "twelve billion, one hundred twenty-one million, three hundred one thousand, twenty-two".

Divisors: 1 2 3 6 2020216837 4040433674 6060650511 12121301022