124000512100105 has 16 divisors (see below), whose sum is σ = 148853841986304. Its totient is φ = 99164926609920.

The previous prime is 124000512100099. The next prime is 124000512100121. The reversal of 124000512100105 is 501001215000421.

It is not a de Polignac number, because 124000512100105 - 2³ = 124000512100097 is a prime.

It is a super-2 number, since 2×124000512100105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 641904142 + ... + 642097288.

It is an arithmetic number, because the mean of its divisors is an integer number (9303365124144).

Almost surely, 2^{124000512100105} is an apocalyptic number.

It is an amenable number.

124000512100105 is a deficient number, since it is larger than the sum of its proper divisors (24853329886199).

124000512100105 is a wasteful number, since it uses less digits than its factorization.

124000512100105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238416.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 124000512100105 its reverse (501001215000421), we get a palindrome (625001727100526).

The spelling of 124000512100105 in words is "one hundred twenty-four trillion, five hundred twelve million, one hundred thousand, one hundred five".