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12030202212 = 2237143216693
BaseRepresentation
bin10110011010000111…
…00101000101100100
31011001101221120222220
423031003211011210
5144114212432322
65305424552340
7604056013560
oct131503450544
934041846886
1012030202212
11511380aa86
1223b8a826b0
1311994aa862
14821a406a0
154a623955c
hex2cd0e5164

12030202212 has 24 divisors (see below), whose sum is σ = 32080539456. Its totient is φ = 3437200608.

The previous prime is 12030202183. The next prime is 12030202231. The reversal of 12030202212 is 21220203021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12030202191 and 12030202200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71608263 + ... + 71608430.

It is an arithmetic number, because the mean of its divisors is an integer number (1336689144).

Almost surely, 212030202212 is an apocalyptic number.

12030202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12030202212 is an abundant number, since it is smaller than the sum of its proper divisors (20050337244).

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

12030202212 is a wasteful number, since it uses less digits than its factorization.

12030202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143216707 (or 143216705 counting only the distinct ones).

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

Adding to 12030202212 its reverse (21220203021), we get a palindrome (33250405233).

The spelling of 12030202212 in words is "twelve billion, thirty million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 143216693 286433386 429650079 572866772 859300158 1002516851 1718600316 2005033702 3007550553 4010067404 6015101106 12030202212