10123129077542 has 16 divisors (see below), whose sum is σ = 16352816217360. Its totient is φ = 4672193635872.

The previous prime is 10123129077539. The next prime is 10123129077547. The reversal of 10123129077542 is 24577092132101.

It is a junction number, because it is equal to n+sod(n) for n = 10123129077493 and 10123129077502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123129077547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6745184 + ... + 8108252.

It is an arithmetic number, because the mean of its divisors is an integer number (1022051013585).

Almost surely, 2^{10123129077542} is an apocalyptic number.

10123129077542 is a deficient number, since it is larger than the sum of its proper divisors (6229687139818).

10123129077542 is a wasteful number, since it uses less digits than its factorization.

10123129077542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648727.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 10123129077542 in words is "ten trillion, one hundred twenty-three billion, one hundred twenty-nine million, seventy-seven thousand, five hundred forty-two".