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12102131233 is a prime number
BaseRepresentation
bin10110100010101011…
…11101111000100001
31011020102021222001201
423101111331320201
5144241121144413
65320514401201
7605621263303
oct132125757041
934212258051
1012102131233
115150379355
122418b90201
1311ab3733ca
1482b405973
154ac6e69dd
hex2d157de21

12102131233 has 2 divisors, whose sum is σ = 12102131234. Its totient is φ = 12102131232.

The previous prime is 12102131227. The next prime is 12102131257. The reversal of 12102131233 is 33213120121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10394210304 + 1707920929 = 101952^2 + 41327^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102131233 - 213 = 12102123041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12102131233.

It is not a weakly prime, because it can be changed into another prime (12102131213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051065616 + 6051065617.

It is an arithmetic number, because the mean of its divisors is an integer number (6051065617).

Almost surely, 212102131233 is an apocalyptic number.

It is an amenable number.

12102131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102131233 is an equidigital number, since it uses as much as digits as its factorization.

12102131233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12102131233 its reverse (33213120121), we get a palindrome (45315251354).

The spelling of 12102131233 in words is "twelve billion, one hundred two million, one hundred thirty-one thousand, two hundred thirty-three".