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121112230 = 25107113189
BaseRepresentation
bin1110011100000…
…00011010100110
322102220010202011
413032000122212
5222001042410
620003504434
73000302611
oct716003246
9272803664
10121112230
1162401458
123468811a
131c126255
1412129178
15a97518a
hex73806a6

121112230 has 16 divisors (see below), whose sum is σ = 220041360. Its totient is φ = 47991712.

The previous prime is 121112203. The next prime is 121112263. The reversal of 121112230 is 32211121.

It is a self number, because there is not a number n which added to its sum of digits gives 121112230.

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, 55525 + ... + 57664.

It is an arithmetic number, because the mean of its divisors is an integer number (13752585).

Almost surely, 2121112230 is an apocalyptic number.

121112230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112230 is a deficient number, since it is larger than the sum of its proper divisors (98929130).

121112230 is a wasteful number, since it uses less digits than its factorization.

121112230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113303.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121112230 is about 11005.1001812796. The cubic root of 121112230 is about 494.7616170136.

Adding to 121112230 its reverse (32211121), we get a palindrome (153323351).

It can be divided in two parts, 12111 and 2230, that added together give a palindrome (14341).

The spelling of 121112230 in words is "one hundred twenty-one million, one hundred twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 107 214 535 1070 113189 226378 565945 1131890 12111223 24222446 60556115 121112230