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12120213020030 = 253931308323913
BaseRepresentation
bin1011000001011111010011…
…1111011101110101111110
31120220200101111002020211122
42300113310333131311332
53042034144013120110
641435540552150542
72360441114560403
oct260276477356576
946820344066748
1012120213020030
113953176305035
121438b8a998452
1369bc14a6c5bb
142dc89b3362aa
1516041b953255
hexb05f4fddd7e

12120213020030 has 16 divisors (see below), whose sum is σ = 21821933337264. Its totient is φ = 4846851896640.

The previous prime is 12120213020011. The next prime is 12120213020033. The reversal of 12120213020030 is 3002031202121.

It is a junction number, because it is equal to n+sod(n) for n = 12120213019990 and 12120213020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120213020033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154122647 + ... + 154201266.

It is an arithmetic number, because the mean of its divisors is an integer number (1363870833579).

Almost surely, 212120213020030 is an apocalyptic number.

12120213020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12120213020030 is a deficient number, since it is larger than the sum of its proper divisors (9701720317234).

12120213020030 is a wasteful number, since it uses less digits than its factorization.

12120213020030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308327851.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12120213020030 its reverse (3002031202121), we get a palindrome (15122244222151).

The spelling of 12120213020030 in words is "twelve trillion, one hundred twenty billion, two hundred thirteen million, twenty thousand, thirty".

Divisors: 1 2 5 10 3931 7862 19655 39310 308323913 616647826 1541619565 3083239130 1212021302003 2424042604006 6060106510015 12120213020030