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12121002022 = 218133483431
BaseRepresentation
bin10110100100111011…
…11101000000100110
31011021201210200220211
423102131331000212
5144310434031042
65322431050034
7606240550213
oct132235750046
934251720824
1012121002022
11515aa98248
12242337091a
1311b224c85c
1482db18b0a
154ae1c3017
hex2d277d026

12121002022 has 8 divisors (see below), whose sum is σ = 18281953872. Its totient is φ = 6027017400.

The previous prime is 12121002017. The next prime is 12121002031. The reversal of 12121002022 is 22020012121.

It is a happy number.

12121002022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12121001993 and 12121002011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16741354 + ... + 16742077.

It is an arithmetic number, because the mean of its divisors is an integer number (2285244234).

Almost surely, 212121002022 is an apocalyptic number.

12121002022 is a deficient number, since it is larger than the sum of its proper divisors (6160951850).

12121002022 is a wasteful number, since it uses less digits than its factorization.

12121002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33483614.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12121002022 its reverse (22020012121), we get a palindrome (34141014143).

The spelling of 12121002022 in words is "twelve billion, one hundred twenty-one million, two thousand, twenty-two".

Divisors: 1 2 181 362 33483431 66966862 6060501011 12121002022