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121102223212000 = 25531311314717579
BaseRepresentation
bin11011100010010001001110…
…111111101111110111100000
3120212210021000011012200012101
4123202101032333233313200
5111333114323120241000
61105321332053340144
734336226661665302
oct3342211677576740
9525707004180171
10121102223212000
1135650189969298
12116ba509637654
135275b769a29b4
1421c95438d7972
15e002303aae6a
hex6e244efefde0

121102223212000 has 192 divisors, whose sum is σ = 299859384464640. Its totient is φ = 48064720704000.

The previous prime is 121102223211973. The next prime is 121102223212001. The reversal of 121102223212000 is 212322201121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102223212001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6889019211 + ... + 6889036789.

It is an arithmetic number, because the mean of its divisors is an integer number (1561767627420).

Almost surely, 2121102223212000 is an apocalyptic number.

121102223212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121102223212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149929692232320).

121102223212000 is an abundant number, since it is smaller than the sum of its proper divisors (178757161252640).

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

121102223212000 is a wasteful number, since it uses less digits than its factorization.

121102223212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30882 (or 30864 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121102223212000 its reverse (212322201121), we get a palindrome (121314545413121).

The spelling of 121102223212000 in words is "one hundred twenty-one trillion, one hundred two billion, two hundred twenty-three million, two hundred twelve thousand".