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121444012 = 2291933037
BaseRepresentation
bin1110011110100…
…01011010101100
322110111222212101
413033101122230
5222042202022
620014544444
73003154114
oct717213254
9273458771
10121444012
1162608758
1234808124
131c211281
14121b4044
15a9dd627
hex73d16ac

121444012 has 12 divisors (see below), whose sum is σ = 212764720. Its totient is φ = 60654096.

The previous prime is 121443989. The next prime is 121444013. The reversal of 121444012 is 210444121.

It is a super-2 number, since 2×1214440122 = 29497296101312288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121444013) 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, 12843 + ... + 20194.

Almost surely, 2121444012 is an apocalyptic number.

It is an amenable number.

121444012 is a deficient number, since it is larger than the sum of its proper divisors (91320708).

121444012 is a wasteful number, since it uses less digits than its factorization.

121444012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33960 (or 33958 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 121444012 is about 11020.1638826290. The cubic root of 121444012 is about 495.2129981547.

Adding to 121444012 its reverse (210444121), we get a palindrome (331888133).

The spelling of 121444012 in words is "one hundred twenty-one million, four hundred forty-four thousand, twelve".

Divisors: 1 2 4 919 1838 3676 33037 66074 132148 30361003 60722006 121444012