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12060455421 = 372324969887
BaseRepresentation
bin10110011101101101…
…11111000111111101
31011010111212121121010
423032312333013331
5144144434033141
65312425225433
7604604115420
oct131666770775
934114777533
1012060455421
1151298a3733
122407032279
1311a2840b71
14825a779b7
154a8c13416
hex2cedbf1fd

12060455421 has 16 divisors (see below), whose sum is σ = 19176873984. Its totient is φ = 6592049904.

The previous prime is 12060455411. The next prime is 12060455431. The reversal of 12060455421 is 12455406021.

It is an interprime number because it is at equal distance from previous prime (12060455411) and next prime (12060455431).

It is not a de Polignac number, because 12060455421 - 25 = 12060455389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12060455411) 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, 12484461 + ... + 12485426.

It is an arithmetic number, because the mean of its divisors is an integer number (1198554624).

Almost surely, 212060455421 is an apocalyptic number.

It is an amenable number.

12060455421 is a deficient number, since it is larger than the sum of its proper divisors (7116418563).

12060455421 is a wasteful number, since it uses less digits than its factorization.

12060455421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24969920.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 12060455421 in words is "twelve billion, sixty million, four hundred fifty-five thousand, four hundred twenty-one".

Divisors: 1 3 7 21 23 69 161 483 24969887 74909661 174789209 524367627 574307401 1722922203 4020151807 12060455421