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12162082501 is a prime number
BaseRepresentation
bin10110101001110101…
…01010011011000101
31011101121002210202001
423110322222123011
5144401443120001
65330455345301
7610246665322
oct132472523305
934347083661
1012162082501
1151811a6658
122435082231
1311ba90412a
1483536db49
154b2ada001
hex2d4eaa6c5

12162082501 has 2 divisors, whose sum is σ = 12162082502. Its totient is φ = 12162082500.

The previous prime is 12162082481. The next prime is 12162082549. The reversal of 12162082501 is 10528026121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7823225601 + 4338856900 = 88449^2 + 65870^2 .

It is an emirp because it is prime and its reverse (10528026121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12162082501 - 217 = 12161951429 is a prime.

It is a super-2 number, since 2×121620825012 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12162082501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12162089501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6081041250 + 6081041251.

It is an arithmetic number, because the mean of its divisors is an integer number (6081041251).

Almost surely, 212162082501 is an apocalyptic number.

It is an amenable number.

12162082501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12162082501 is an equidigital number, since it uses as much as digits as its factorization.

12162082501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 12162082501 in words is "twelve billion, one hundred sixty-two million, eighty-two thousand, five hundred one".