12101104545 has 16 divisors (see below), whose sum is σ = 19542720960. Its totient is φ = 6393604544.

The previous prime is 12101104529. The next prime is 12101104559. The reversal of 12101104545 is 54540110121.

It is a cyclic number.

It is not a de Polignac number, because 12101104545 - 2⁴ = 12101104529 is a prime.

It is a super-3 number, since 3×12101104545³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3768210 + ... + 3771419.

It is an arithmetic number, because the mean of its divisors is an integer number (1221420060).

Almost surely, 2^12101104545 is an apocalyptic number.

12101104545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12101104545 is a deficient number, since it is larger than the sum of its proper divisors (7441616415).

12101104545 is a wasteful number, since it uses less digits than its factorization.

12101104545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539744.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 12101104545 its reverse (54540110121), we get a palindrome (66641214666).

The spelling of 12101104545 in words is "twelve billion, one hundred one million, one hundred four thousand, five hundred forty-five".