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13122132201021 = 333329131238383
BaseRepresentation
bin1011111011110011110000…
…0001110100111000111101
31201110110111221210011201010
42332330330001310320331
53204443111320413041
643524120241305433
72523020445234324
oct276747401647075
951413457704633
1013122132201021
1141aa079597018
12157b1a7635279
1374254782639c
143351865db0bb
1517b50b915a16
hexbef3c074e3d

13122132201021 has 8 divisors (see below), whose sum is σ = 17496701354880. Its totient is φ = 8747825590592.

The previous prime is 13122132200959. The next prime is 13122132201077. The reversal of 13122132201021 is 12010223122131.

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 13122132201021 - 27 = 13122132200893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122132201421) 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, 65519205 + ... + 65719178.

It is an arithmetic number, because the mean of its divisors is an integer number (2187087669360).

Almost surely, 213122132201021 is an apocalyptic number.

It is an amenable number.

13122132201021 is a deficient number, since it is larger than the sum of its proper divisors (4374569153859).

13122132201021 is a wasteful number, since it uses less digits than its factorization.

13122132201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131271715.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13122132201021 its reverse (12010223122131), we get a palindrome (25132355323152).

The spelling of 13122132201021 in words is "thirteen trillion, one hundred twenty-two billion, one hundred thirty-two million, two hundred one thousand, twenty-one".

Divisors: 1 3 33329 99987 131238383 393715149 4374044067007 13122132201021