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3120012132021 = 321743946451563
BaseRepresentation
bin101101011001101111001…
…101101111111010110101
3102001021022000021020221200
4231121233031233322311
5402104241101211041
610345151440003113
7441261544355601
oct55315715577265
912037260236850
103120012132021
11aa320a567864
12424819900499
131982a63a4385
14ab01baba501
155625a7e41b6
hex2d66f36feb5

3120012132021 has 24 divisors (see below), whose sum is σ = 4782653029440. Its totient is φ = 1953195278976.

The previous prime is 3120012132019. The next prime is 3120012132031. The reversal of 3120012132021 is 1202312100213.

3120012132021 is a `hidden beast` number, since 3 + 1 + 200 + 121 + 320 + 21 = 666.

It is not a de Polignac number, because 3120012132021 - 21 = 3120012132019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120012131985 and 3120012132003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120012132031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23158615 + ... + 23292948.

It is an arithmetic number, because the mean of its divisors is an integer number (199277209560).

Almost surely, 23120012132021 is an apocalyptic number.

It is an amenable number.

3120012132021 is a deficient number, since it is larger than the sum of its proper divisors (1662640897419).

3120012132021 is a wasteful number, since it uses less digits than its factorization.

3120012132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46452025 (or 46452022 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 3120012132021 its reverse (1202312100213), we get a palindrome (4322324232234).

The spelling of 3120012132021 in words is "three trillion, one hundred twenty billion, twelve million, one hundred thirty-two thousand, twenty-one".

Divisors: 1 3 9 17 51 153 439 1317 3951 7463 22389 67167 46451563 139354689 418064067 789676571 2369029713 7107089139 20392236157 61176708471 183530125413 346668014669 1040004044007 3120012132021