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10121212020201 = 3174127117861141
BaseRepresentation
bin1001001101001000011100…
…1111110100010111101001
31022211120121200000212110220
42103102013033310113221
52311311220234121301
633305342015200253
72063143032460302
oct223220717642751
938746550025426
1010121212020201
113252422364927
121175685516089
135855704852b9
1426dc254137a9
1512842150a936
hex934873f45e9

10121212020201 has 32 divisors (see below), whose sum is σ = 14691289406976. Its totient is φ = 6172809984000.

The previous prime is 10121212020187. The next prime is 10121212020221. The reversal of 10121212020201 is 10202021212101.

It is not a de Polignac number, because 10121212020201 - 238 = 9846334113257 is a prime.

It is a super-2 number, since 2×101212120202012 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10121212020221) 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 31 ways as a sum of consecutive naturals, for example, 8363910 + ... + 9497231.

It is an arithmetic number, because the mean of its divisors is an integer number (459102793968).

Almost surely, 210121212020201 is an apocalyptic number.

It is an amenable number.

10121212020201 is a deficient number, since it is larger than the sum of its proper divisors (4570077386775).

10121212020201 is a wasteful number, since it uses less digits than its factorization.

10121212020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17861473.

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

Adding to 10121212020201 its reverse (10202021212101), we get a palindrome (20323233232302).

The spelling of 10121212020201 in words is "ten trillion, one hundred twenty-one billion, two hundred twelve million, twenty thousand, two hundred one".

Divisors: 1 3 17 41 51 123 271 697 813 2091 4607 11111 13821 33333 188887 566661 17861141 53583423 303639397 732306781 910918191 2196920343 4840369211 12449215277 14521107633 37347645831 82286276587 198455137651 246858829761 595365412953 3373737340067 10121212020201