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12401588197 is a prime number
BaseRepresentation
bin10111000110011000…
…10011011111100101
31012000021202221210101
423203030103133211
5200344301310242
65410333024101
7616215521545
oct134314233745
935007687711
1012401588197
115294411849
1224a1325031
131228410c8b
148590b7325
154c8b499b7
hex2e33137e5

12401588197 has 2 divisors, whose sum is σ = 12401588198. Its totient is φ = 12401588196.

The previous prime is 12401588153. The next prime is 12401588219. The reversal of 12401588197 is 79188510421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8239919076 + 4161669121 = 90774^2 + 64511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12401588197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401588107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200794098 + 6200794099.

It is an arithmetic number, because the mean of its divisors is an integer number (6200794099).

Almost surely, 212401588197 is an apocalyptic number.

It is an amenable number.

12401588197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401588197 is an equidigital number, since it uses as much as digits as its factorization.

12401588197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 46.

It can be divided in two parts, 124015 and 88197, that added together give a palindrome (212212).

The spelling of 12401588197 in words is "twelve billion, four hundred one million, five hundred eighty-eight thousand, one hundred ninety-seven".