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12231430401 = 331974313499
BaseRepresentation
bin10110110010000110…
…01101000100000001
31011120102121001011210
423121003031010001
5200022221233101
65341414000333
7612051304641
oct133103150401
934512531153
1012231430401
115207361773
1224543460a9
1311cc0a4ba8
14840662521
154b8c377d6
hex2d90cd101

12231430401 has 16 divisors (see below), whose sum is σ = 16837632000. Its totient is φ = 7889850960.

The previous prime is 12231430397. The next prime is 12231430469. The reversal of 12231430401 is 10403413221.

It is not a de Polignac number, because 12231430401 - 22 = 12231430397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12231435401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899350 + ... + 912848.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352000).

Almost surely, 212231430401 is an apocalyptic number.

It is an amenable number.

12231430401 is a deficient number, since it is larger than the sum of its proper divisors (4606201599).

12231430401 is a wasteful number, since it uses less digits than its factorization.

12231430401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23276.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12231430401 its reverse (10403413221), we get a palindrome (22634843622).

The spelling of 12231430401 in words is "twelve billion, two hundred thirty-one million, four hundred thirty thousand, four hundred one".

Divisors: 1 3 31 93 9743 13499 29229 40497 302033 418469 906099 1255407 131520757 394562271 4077143467 12231430401