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12102102111001 = 75417319156679
BaseRepresentation
bin1011000000011011110101…
…1111110101001100011001
31120211221122022012202020011
42300012331133311030121
53041240101120023001
641423343504401521
72356230241436350
oct260067537651431
946757568182204
1012102102111001
113946522160021
1214355756162a1
1369a2b9878c96
142dba5dcb8997
1515ec0b98cd51
hexb01bd7f5319

12102102111001 has 8 divisors (see below), whose sum is σ = 13833527137920. Its totient is φ = 10371315408288.

The previous prime is 12102102110971. The next prime is 12102102111037. The reversal of 12102102111001 is 10011120120121.

It is a happy number.

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 12102102111001 - 29 = 12102102110489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102102111101) 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, 159540421 + ... + 159616258.

It is an arithmetic number, because the mean of its divisors is an integer number (1729190892240).

Almost surely, 212102102111001 is an apocalyptic number.

It is an amenable number.

12102102111001 is a deficient number, since it is larger than the sum of its proper divisors (1731425026919).

12102102111001 is an equidigital number, since it uses as much as digits as its factorization.

12102102111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319162103.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12102102111001 its reverse (10011120120121), we get a palindrome (22113222231122).

The spelling of 12102102111001 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, one".

Divisors: 1 7 5417 37919 319156679 2234096753 1728871730143 12102102111001