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12102021112001 = 192477257145127
BaseRepresentation
bin1011000000011011100010…
…1010110110000011000001
31120211221102122210120111012
42300012320222312003001
53041234414401041001
641423331452330305
72356225236112562
oct260067052660301
946757378716435
1012102021112001
1139464904672a7
121435552473995
1369a2a5b58c92
142dba53232169
1515ec047dd2bb
hexb01b8ab60c1

12102021112001 has 8 divisors (see below), whose sum is σ = 12744112543680. Its totient is φ = 11460443975568.

The previous prime is 12102021111977. The next prime is 12102021112003. The reversal of 12102021112001 is 10021112020121.

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

It is not a de Polignac number, because 12102021112001 - 214 = 12102021095617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102021112003) 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, 128525501 + ... + 128619626.

It is an arithmetic number, because the mean of its divisors is an integer number (1593014067960).

Almost surely, 212102021112001 is an apocalyptic number.

It is an amenable number.

12102021112001 is a deficient number, since it is larger than the sum of its proper divisors (642091431679).

12102021112001 is a wasteful number, since it uses less digits than its factorization.

12102021112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257147623.

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

Adding to 12102021112001 its reverse (10021112020121), we get a palindrome (22123133132122).

The spelling of 12102021112001 in words is "twelve trillion, one hundred two billion, twenty-one million, one hundred twelve thousand, one".

Divisors: 1 19 2477 47063 257145127 4885757413 636948479579 12102021112001