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12212131003 = 193709173293
BaseRepresentation
bin10110101111110011…
…00101010010111011
31011112002021112101021
423113321211102323
5200002301143003
65335444203311
7611425254322
oct132771452273
934462245337
1012212131003
1151a747a856
122449999537
1311c80a8627
1483bc7b0b9
154b71c42bd
hex2d7e654bb

12212131003 has 8 divisors (see below), whose sum is σ = 12858414800. Its totient is φ = 11566201248.

The previous prime is 12212130961. The next prime is 12212131027. The reversal of 12212131003 is 30013121221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212131003 - 217 = 12211999931 is a prime.

It is a super-2 number, since 2×122121310032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212131093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16176 + ... + 157117.

It is an arithmetic number, because the mean of its divisors is an integer number (1607301850).

Almost surely, 212212131003 is an apocalyptic number.

12212131003 is a deficient number, since it is larger than the sum of its proper divisors (646283797).

12212131003 is a wasteful number, since it uses less digits than its factorization.

12212131003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177021.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12212131003 its reverse (30013121221), we get a palindrome (42225252224).

The spelling of 12212131003 in words is "twelve billion, two hundred twelve million, one hundred thirty-one thousand, three".

Divisors: 1 19 3709 70471 173293 3292567 642743737 12212131003