12101540417 has 2 divisors, whose sum is σ = 12101540418. Its totient is φ = 12101540416.

The previous prime is 12101540411. The next prime is 12101540497. The reversal of 12101540417 is 71404510121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11950643761 + 150896656 = 109319^2 + 12284^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101540417 - 2³² = 7806573121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101540411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050770208 + 6050770209.

It is an arithmetic number, because the mean of its divisors is an integer number (6050770209).

Almost surely, 2^12101540417 is an apocalyptic number.

It is an amenable number.

12101540417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101540417 is an equidigital number, since it uses as much as digits as its factorization.

12101540417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The spelling of 12101540417 in words is "twelve billion, one hundred one million, five hundred forty thousand, four hundred seventeen".