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12100120021101 = 372965773020957
BaseRepresentation
bin1011000000010100011101…
…0110110000100001101101
31120211202112011120011001010
42300011013112300201231
53041222021211133401
641422415101335433
72356130153110530
oct260050726604155
946752464504033
1012100120021101
1139456a53365a2
121435101867579
1369a062032a18
142db912962a17
1515eb42966ed6
hexb01475b086d

12100120021101 has 32 divisors (see below), whose sum is σ = 19076987255040. Its totient is φ = 6674911036416.

The previous prime is 12100120021091. The next prime is 12100120021103. The reversal of 12100120021101 is 10112002100121.

It is not a de Polignac number, because 12100120021101 - 25 = 12100120021069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100120021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2494915 + ... + 5515871.

It is an arithmetic number, because the mean of its divisors is an integer number (596155851720).

Almost surely, 212100120021101 is an apocalyptic number.

It is an amenable number.

12100120021101 is a deficient number, since it is larger than the sum of its proper divisors (6976867233939).

12100120021101 is a wasteful number, since it uses less digits than its factorization.

12100120021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027573.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12100120021101 its reverse (10112002100121), we get a palindrome (22212122121222).

The spelling of 12100120021101 in words is "twelve trillion, one hundred billion, one hundred twenty million, twenty-one thousand, one hundred one".

Divisors: 1 3 7 21 29 87 203 609 6577 19731 46039 138117 190733 572199 1335131 3020957 4005393 9062871 21146699 63440097 87607753 262823259 613254271 1839762813 19868834189 59606502567 139081839323 417245517969 576196191481 1728588574443 4033373340367 12100120021101