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12270321150 = 235281802141
BaseRepresentation
bin10110110110101111…
…00011110111111110
31011200010202220020220
423123113203313332
5200112200234100
65345323322210
7613033003023
oct133327436776
934603686226
1012270321150
11522730498a
122465380366
131207170879
148458a754a
154bc36aaa0
hex2db5e3dfe

12270321150 has 24 divisors (see below), whose sum is σ = 30430396824. Its totient is φ = 3272085600.

The previous prime is 12270321139. The next prime is 12270321157. The reversal of 12270321150 is 5112307221.

It is a super-2 number, since 2×122703211502 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12270321150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270321157) 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, 40900921 + ... + 40901220.

It is an arithmetic number, because the mean of its divisors is an integer number (1267933201).

Almost surely, 212270321150 is an apocalyptic number.

12270321150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12270321150 is an abundant number, since it is smaller than the sum of its proper divisors (18160075674).

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

12270321150 is a wasteful number, since it uses less digits than its factorization.

12270321150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81802156 (or 81802151 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 12270321150 its reverse (5112307221), we get a palindrome (17382628371).

The spelling of 12270321150 in words is "twelve billion, two hundred seventy million, three hundred twenty-one thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 81802141 163604282 245406423 409010705 490812846 818021410 1227032115 2045053525 2454064230 4090107050 6135160575 12270321150