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12332331021 = 361521129347
BaseRepresentation
bin10110111110001000…
…00111000000001101
31011211110110022210210
423133010013000031
5200224034043041
65355420353033
7614415040563
oct133704070015
934743408723
1012332331021
11525930890a
1224820a5779
131216c725ba
1484dc09a33
154c2a19016
hex2df10700d

12332331021 has 16 divisors (see below), whose sum is σ = 16744874688. Its totient is φ = 8071190400.

The previous prime is 12332330957. The next prime is 12332331041. The reversal of 12332331021 is 12013323321.

It is not a de Polignac number, because 12332331021 - 26 = 12332330957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12332331041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30670 + ... + 160016.

It is an arithmetic number, because the mean of its divisors is an integer number (1046554668).

Almost surely, 212332331021 is an apocalyptic number.

It is an amenable number.

12332331021 is a deficient number, since it is larger than the sum of its proper divisors (4412543667).

12332331021 is a wasteful number, since it uses less digits than its factorization.

12332331021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129932.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12332331021 its reverse (12013323321), we get a palindrome (24345654342).

The spelling of 12332331021 in words is "twelve billion, three hundred thirty-two million, three hundred thirty-one thousand, twenty-one".

Divisors: 1 3 61 183 521 1563 31781 95343 129347 388041 7890167 23670501 67389787 202169361 4110777007 12332331021