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120230412 = 22322514451
BaseRepresentation
bin1110010101010…
…01001000001100
322101020100010020
413022221020030
5221234333122
615532542140
72656640661
oct712511014
9271210106
10120230412
1161959985
1234321950
131bba7a73
1411d79a68
15a84dc5c
hex72a920c

120230412 has 24 divisors (see below), whose sum is σ = 280725312. Its totient is φ = 40050000.

The previous prime is 120230393. The next prime is 120230417. The reversal of 120230412 is 214032021.

It is a junction number, because it is equal to n+sod(n) for n = 120230391 and 120230400.

It is not an unprimeable number, because it can be changed into a prime (120230417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24787 + ... + 29237.

It is an arithmetic number, because the mean of its divisors is an integer number (11696888).

Almost surely, 2120230412 is an apocalyptic number.

120230412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120230412 is an abundant number, since it is smaller than the sum of its proper divisors (160494900).

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

120230412 is a wasteful number, since it uses less digits than its factorization.

120230412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120230412 is about 10964.9629274339. The cubic root of 120230412 is about 493.5579046151.

Adding to 120230412 its reverse (214032021), we get a palindrome (334262433).

The spelling of 120230412 in words is "one hundred twenty million, two hundred thirty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 2251 4451 4502 6753 8902 9004 13353 13506 17804 26706 27012 53412 10019201 20038402 30057603 40076804 60115206 120230412