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12100000054501 is a prime number
BaseRepresentation
bin1011000000010100000000…
…1101000111110011100101
31120211202012210211012210201
42300011000031013303211
53041221300003221001
641422355134150501
72356124165315632
oct260050015076345
946752183735721
1012100000054501
113945643647947
121435089652431
1369a04321b078
142db900a55189
1515eb3716b501
hexb0140347ce5

12100000054501 has 2 divisors, whose sum is σ = 12100000054502. Its totient is φ = 12100000054500.

The previous prime is 12100000054487. The next prime is 12100000054511. The reversal of 12100000054501 is 10545000000121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11882843122500 + 217156932001 = 3447150^2 + 466001^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100000054501 - 25 = 12100000054469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100000054511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050000027250 + 6050000027251.

It is an arithmetic number, because the mean of its divisors is an integer number (6050000027251).

Almost surely, 212100000054501 is an apocalyptic number.

It is an amenable number.

12100000054501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100000054501 is an equidigital number, since it uses as much as digits as its factorization.

12100000054501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12100000054501 its reverse (10545000000121), we get a palindrome (22645000054622).

The spelling of 12100000054501 in words is "twelve trillion, one hundred billion, fifty-four thousand, five hundred one".