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12121011102 = 232020168517
BaseRepresentation
bin10110100100111011…
…11111001110011110
31011021201211011101010
423102131333032132
5144310434323402
65322431200050
7606240615534
oct132235771636
934251734333
1012121011102
11515aaa4052
122423376026
1311b2253a25
1482db1c154
154ae1c5a6c
hex2d277f39e

12121011102 has 8 divisors (see below), whose sum is σ = 24242022216. Its totient is φ = 4040337032.

The previous prime is 12121011083. The next prime is 12121011121. The reversal of 12121011102 is 20111012121.

It is an interprime number because it is at equal distance from previous prime (12121011083) and next prime (12121011121).

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

12121011102 is an admirable number.

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, 1010084253 + ... + 1010084264.

It is an arithmetic number, because the mean of its divisors is an integer number (3030252777).

Almost surely, 212121011102 is an apocalyptic number.

12121011102 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.

12121011102 is a wasteful number, since it uses less digits than its factorization.

12121011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020168522.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121011102 its reverse (20111012121), we get a palindrome (32232023223).

The spelling of 12121011102 in words is "twelve billion, one hundred twenty-one million, eleven thousand, one hundred two".

Divisors: 1 2 3 6 2020168517 4040337034 6060505551 12121011102