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12110102401 = 92391310759
BaseRepresentation
bin10110100011101000…
…10111111110000001
31011020222021221110011
423101310113332001
5144300141234101
65321401304521
7606046112665
oct132164277601
934228257404
1012110102401
1151549231a1
12241b795141
1311acc04687
1482c4bc8a5
154ad26d751
hex2d1d17f81

12110102401 has 4 divisors (see below), whose sum is σ = 12111422400. Its totient is φ = 12108782404.

The previous prime is 12110102387. The next prime is 12110102437. The reversal of 12110102401 is 10420101121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10420101121 = 83125543387.

It is a cyclic number.

It is not a de Polignac number, because 12110102401 - 217 = 12109971329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110102461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646141 + ... + 664618.

It is an arithmetic number, because the mean of its divisors is an integer number (3027855600).

Almost surely, 212110102401 is an apocalyptic number.

It is an amenable number.

12110102401 is a deficient number, since it is larger than the sum of its proper divisors (1319999).

12110102401 is an equidigital number, since it uses as much as digits as its factorization.

12110102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319998.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12110102401 its reverse (10420101121), we get a palindrome (22530203522).

The spelling of 12110102401 in words is "twelve billion, one hundred ten million, one hundred two thousand, four hundred one".

Divisors: 1 9239 1310759 12110102401