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121013002230 = 23525931555637
BaseRepresentation
bin111000010110011101…
…1111101111111110110
3102120100121022110022120
41300230323331333312
53440313312032410
6131332000340410
711512546355451
oct1605473757766
9376317273276
10121013002230
114735975974a
121b553014706
13b547027783
145bddaba498
153233da4570
hex1c2cefdff6

121013002230 has 32 divisors (see below), whose sum is σ = 290543397984. Its totient is φ = 32257668096.

The previous prime is 121013002213. The next prime is 121013002273. The reversal of 121013002230 is 32200310121.

121013002230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700029 + ... + 855608.

It is an arithmetic number, because the mean of its divisors is an integer number (9079481187).

Almost surely, 2121013002230 is an apocalyptic number.

121013002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013002230 is an abundant number, since it is smaller than the sum of its proper divisors (169530395754).

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

121013002230 is a wasteful number, since it uses less digits than its factorization.

121013002230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558240.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121013002230 its reverse (32200310121), we get a palindrome (153213312351).

The spelling of 121013002230 in words is "one hundred twenty-one billion, thirteen million, two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2593 5186 7779 12965 15558 25930 38895 77790 1555637 3111274 4666911 7778185 9333822 15556370 23334555 46669110 4033766741 8067533482 12101300223 20168833705 24202600446 40337667410 60506501115 121013002230