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12112302302 = 238039159209
BaseRepresentation
bin10110100011111001…
…10001000011011110
31011021010102201010222
423101330301003132
5144301222133202
65321520401342
7606103604462
oct132174610336
934233381128
1012112302302
115156095aa1
122420476252
1311b04c4aa9
1482c8d24a2
154ad5554a2
hex2d1f310de

12112302302 has 8 divisors (see below), whose sum is σ = 18169045200. Its totient is φ = 6055953904.

The previous prime is 12112302283. The next prime is 12112302331. The reversal of 12112302302 is 20320321121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3527 + ... + 155682.

It is an arithmetic number, because the mean of its divisors is an integer number (2271130650).

Almost surely, 212112302302 is an apocalyptic number.

12112302302 is a deficient number, since it is larger than the sum of its proper divisors (6056742898).

12112302302 is a wasteful number, since it uses less digits than its factorization.

12112302302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197250.

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

Adding to 12112302302 its reverse (20320321121), we get a palindrome (32432623423).

The spelling of 12112302302 in words is "twelve billion, one hundred twelve million, three hundred two thousand, three hundred two".

Divisors: 1 2 38039 76078 159209 318418 6056151151 12112302302