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12020121102101 = 76012857171643
BaseRepresentation
bin1010111011101010011100…
…0011000110011100010101
31120120010000220110222220012
42232322213003012130111
53033414202000231401
641321544543050005
72350265543400530
oct256724703063425
946503026428805
1012020121102101
113914782aa8702
1214216b62a0905
136926531b8c68
142d7ac3dc9a17
1515ca0e60d8bb
hexaeea70c6715

12020121102101 has 8 divisors (see below), whose sum is σ = 13760138637504. Its totient is φ = 10285817911200.

The previous prime is 12020121102091. The next prime is 12020121102127. The reversal of 12020121102101 is 10120112102021.

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 12020121102101 - 210 = 12020121101077 is a prime.

It is a super-2 number, since 2×120201211021012 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020121107101) 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, 1428581615 + ... + 1428590028.

It is an arithmetic number, because the mean of its divisors is an integer number (1720017329688).

Almost surely, 212020121102101 is an apocalyptic number.

It is an amenable number.

12020121102101 is a deficient number, since it is larger than the sum of its proper divisors (1740017535403).

12020121102101 is an equidigital number, since it uses as much as digits as its factorization.

12020121102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857172251.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020121102101 its reverse (10120112102021), we get a palindrome (22140233204122).

The spelling of 12020121102101 in words is "twelve trillion, twenty billion, one hundred twenty-one million, one hundred two thousand, one hundred one".

Divisors: 1 7 601 4207 2857171643 20000201501 1717160157443 12020121102101