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12212101133 = 47259831939
BaseRepresentation
bin10110101111110010…
…11110000000001101
31011112002020000101222
423113321132000031
5200002244214013
65335443413125
7611425101251
oct132771360015
934462200358
1012212101133
1151a745a371
1224499841a5
1311c8097b5b
1483bc70261
154b71ba508
hex2d7e5e00d

12212101133 has 4 divisors (see below), whose sum is σ = 12471933120. Its totient is φ = 11952269148.

The previous prime is 12212101127. The next prime is 12212101141. The reversal of 12212101133 is 33110121221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12212101133 - 28 = 12212100877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212107133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129915923 + ... + 129916016.

It is an arithmetic number, because the mean of its divisors is an integer number (3117983280).

Almost surely, 212212101133 is an apocalyptic number.

It is an amenable number.

12212101133 is a deficient number, since it is larger than the sum of its proper divisors (259831987).

12212101133 is an equidigital number, since it uses as much as digits as its factorization.

12212101133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259831986.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12212101133 its reverse (33110121221), we get a palindrome (45322222354).

The spelling of 12212101133 in words is "twelve billion, two hundred twelve million, one hundred one thousand, one hundred thirty-three".

Divisors: 1 47 259831939 12212101133