124012510405042 has 32 divisors (see below), whose sum is σ = 214736442969600. Its totient is φ = 52614825082560.

The previous prime is 124012510405027. The next prime is 124012510405057. The reversal of 124012510405042 is 240504015210421.

It is an interprime number because it is at equal distance from previous prime (124012510405027) and next prime (124012510405057).

It is a junction number, because it is equal to n+sod(n) for n = 124012510404995 and 124012510405013.

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, 103501417 + ... + 104692732.

It is an arithmetic number, because the mean of its divisors is an integer number (6710513842800).

Almost surely, 2^{124012510405042} is an apocalyptic number.

124012510405042 is a deficient number, since it is larger than the sum of its proper divisors (90723932564558).

124012510405042 is a wasteful number, since it uses less digits than its factorization.

124012510405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208194586.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 124012510405042 its reverse (240504015210421), we get a palindrome (364516525615463).

The spelling of 124012510405042 in words is "one hundred twenty-four trillion, twelve billion, five hundred ten million, four hundred five thousand, forty-two".