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12210011202021 = 324767164331721
BaseRepresentation
bin1011000110101101110101…
…1000010110000111100101
31121020021011200012112200220
42301223131120112013211
53100022100331431041
641545111322554553
72400100313535303
oct261533530260745
947207150175626
1012210011202021
113988267011286
121452470068a59
136a7525b1bc29
14302d794db273
15162925216d66
hexb1add6161e5

12210011202021 has 8 divisors (see below), whose sum is σ = 16280672361984. Its totient is φ = 8139678755040.

The previous prime is 12210011201977. The next prime is 12210011202023. The reversal of 12210011202021 is 12020211001221.

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

It is not a de Polignac number, because 12210011202021 - 215 = 12210011169253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210011202023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82091560 + ... + 82240161.

It is an arithmetic number, because the mean of its divisors is an integer number (2035084045248).

Almost surely, 212210011202021 is an apocalyptic number.

It is an amenable number.

12210011202021 is a deficient number, since it is larger than the sum of its proper divisors (4070661159963).

12210011202021 is a wasteful number, since it uses less digits than its factorization.

12210011202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164356491.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12210011202021 its reverse (12020211001221), we get a palindrome (24230222203242).

The spelling of 12210011202021 in words is "twelve trillion, two hundred ten billion, eleven million, two hundred two thousand, twenty-one".

Divisors: 1 3 24767 74301 164331721 492995163 4070003734007 12210011202021