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121012244 = 22291043209
BaseRepresentation
bin1110011011010…
…00000000010100
322102201001120222
413031220000110
5221434342434
620001413512
72666405243
oct715500024
9272631528
10121012244
1162343321
123463a298
131c0bc8a2
141210095a
15a95572e
hex7368014

121012244 has 12 divisors (see below), whose sum is σ = 219074100. Its totient is φ = 58419648.

The previous prime is 121012219. The next prime is 121012249. The reversal of 121012244 is 442210121.

It can be written as a sum of positive squares in 2 ways, for example, as 99760144 + 21252100 = 9988^2 + 4610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121012249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521489 + ... + 521720.

It is an arithmetic number, because the mean of its divisors is an integer number (18256175).

Almost surely, 2121012244 is an apocalyptic number.

It is an amenable number.

121012244 is a deficient number, since it is larger than the sum of its proper divisors (98061856).

121012244 is a wasteful number, since it uses less digits than its factorization.

121012244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043242 (or 1043240 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 121012244 is about 11000.5565313760. The cubic root of 121012244 is about 494.6254269287.

Adding to 121012244 its reverse (442210121), we get a palindrome (563222365).

The spelling of 121012244 in words is "one hundred twenty-one million, twelve thousand, two hundred forty-four".

Divisors: 1 2 4 29 58 116 1043209 2086418 4172836 30253061 60506122 121012244