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BaseRepresentation
bin1110010101001…
…11011001010000
322101012222101021
413022213121100
5221234121222
615532445224
72656611166
oct712473120
9271188337
10120223312
1161954610
1234319814
131bba4771
1411d77236
15a84bac7
hex72a7650

120223312 has 20 divisors (see below), whose sum is σ = 254108736. Its totient is φ = 54646880.

The previous prime is 120223309. The next prime is 120223319. The reversal of 120223312 is 213322021.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120223319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341368 + ... + 341719.

Almost surely, 2120223312 is an apocalyptic number.

It is an amenable number.

120223312 is an abundant number, since it is smaller than the sum of its proper divisors (133885424).

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

120223312 is a wasteful number, since it uses less digits than its factorization.

120223312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683106 (or 683100 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120223312 is about 10964.6391641495. The cubic root of 120223312 is about 493.5481890198.

Adding to 120223312 its reverse (213322021), we get a palindrome (333545333).

The spelling of 120223312 in words is "one hundred twenty million, two hundred twenty-three thousand, three hundred twelve".