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12101131230100 = 22521111001028391
BaseRepresentation
bin1011000000011000001110…
…1000001101101110010100
31120211212010122022220000021
42300012003220031232110
53041231104043330400
641423103303154524
72356164212204653
oct260060350155624
946755118286007
1012101131230100
113946074115910
121435344445a44
1369a193695b43
142db9aad8b19a
1515eba160e71a
hexb0183a0db94

12101131230100 has 36 divisors (see below), whose sum is σ = 28646677932768. Its totient is φ = 4400411356000.

The previous prime is 12101131230043. The next prime is 12101131230103. The reversal of 12101131230100 is 103213110121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101131230103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5500513096 + ... + 5500515295.

It is an arithmetic number, because the mean of its divisors is an integer number (795741053688).

Almost surely, 212101131230100 is an apocalyptic number.

12101131230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101131230100 is an abundant number, since it is smaller than the sum of its proper divisors (16545546702668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101131230100 is a wasteful number, since it uses less digits than its factorization.

12101131230100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001028416 (or 11001028409 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12101131230100 its reverse (103213110121), we get a palindrome (12204344340221).

The spelling of 12101131230100 in words is "twelve trillion, one hundred one billion, one hundred thirty-one million, two hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 11001028391 22002056782 44004113564 55005141955 110010283910 121011312301 220020567820 242022624602 275025709775 484045249204 550051419550 605056561505 1100102839100 1210113123010 2420226246020 3025282807525 6050565615050 12101131230100