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12100203231230 = 256311917623333
BaseRepresentation
bin1011000000010100110001…
…0100001011011111111110
31120211202201222010122212202
42300011030110023133332
53041222204011344410
641422431233031502
72356132213303622
oct260051424133776
946752658118782
1012100203231230
1139457382aa5a4
1214351256b5592
1369a07634829a
142db91da23182
1515eb49e01ca5
hexb014c50b7fe

12100203231230 has 16 divisors (see below), whose sum is σ = 21814883047584. Its totient is φ = 4832410796640.

The previous prime is 12100203231227. The next prime is 12100203231257. The reversal of 12100203231230 is 3213230200121.

12100203231230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958805357 + ... + 958817976.

It is an arithmetic number, because the mean of its divisors is an integer number (1363430190474).

Almost surely, 212100203231230 is an apocalyptic number.

12100203231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100203231230 is a deficient number, since it is larger than the sum of its proper divisors (9714679816354).

12100203231230 is a wasteful number, since it uses less digits than its factorization.

12100203231230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917623971.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12100203231230 its reverse (3213230200121), we get a palindrome (15313433431351).

The spelling of 12100203231230 in words is "twelve trillion, one hundred billion, two hundred three million, two hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 631 1262 3155 6310 1917623333 3835246666 9588116665 19176233330 1210020323123 2420040646246 6050101615615 12100203231230