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12201002110021 = 107167036826801
BaseRepresentation
bin1011000110001100010001…
…1001011000110001000101
31121012101220211000020210211
42301203010121120301011
53044400123020010041
641541021334515421
72366331130526044
oct261430431306105
947171824006724
1012201002110021
1139844636800aa
121450776b05b71
136a671b50746a
14302762bda55b
15162599341481
hexb18c4658c45

12201002110021 has 8 divisors (see below), whose sum is σ = 12315769265664. Its totient is φ = 12086248641600.

The previous prime is 12201002109899. The next prime is 12201002110051. The reversal of 12201002110021 is 12001120010221.

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

It is a cyclic number.

It is not a de Polignac number, because 12201002110021 - 27 = 12201002109893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12201002109983 and 12201002110010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201002110051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626180 + ... + 5200621.

It is an arithmetic number, because the mean of its divisors is an integer number (1539471158208).

Almost surely, 212201002110021 is an apocalyptic number.

It is an amenable number.

12201002110021 is a deficient number, since it is larger than the sum of its proper divisors (114767155643).

12201002110021 is a wasteful number, since it uses less digits than its factorization.

12201002110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843611.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12201002110021 its reverse (12001120010221), we get a palindrome (24202122120242).

The spelling of 12201002110021 in words is "twelve trillion, two hundred one billion, two million, one hundred ten thousand, twenty-one".

Divisors: 1 107 16703 1787221 6826801 730467707 114028057103 12201002110021