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121211011302 = 2320201835217
BaseRepresentation
bin111000011100010111…
…1010100000011100110
3102120212101220100200220
41300320233110003212
53441220004330202
6131403352345210
711520502411413
oct1607057240346
9376771810626
10121211011302
1147450501907
121b5a93a5206
13b5790657c4
145c1c10110a
153246468abc
hex1c38bd40e6

121211011302 has 8 divisors (see below), whose sum is σ = 242422022616. Its totient is φ = 40403670432.

The previous prime is 121211011301. The next prime is 121211011319. The reversal of 121211011302 is 203110112121.

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

121211011302 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121211011301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10100917603 + ... + 10100917614.

It is an arithmetic number, because the mean of its divisors is an integer number (30302752827).

Almost surely, 2121211011302 is an apocalyptic number.

121211011302 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.

121211011302 is a wasteful number, since it uses less digits than its factorization.

121211011302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20201835222.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121211011302 its reverse (203110112121), we get a palindrome (324321123423).

The spelling of 121211011302 in words is "one hundred twenty-one billion, two hundred eleven million, eleven thousand, three hundred two".

Divisors: 1 2 3 6 20201835217 40403670434 60605505651 121211011302