2120126351042 has 32 divisors (see below), whose sum is σ = 3651667525632. Its totient is φ = 904336214544.

The previous prime is 2120126351017. The next prime is 2120126351059. The reversal of 2120126351042 is 2401536210212.

It is a junction number, because it is equal to n+sod(n) for n = 2120126350996 and 2120126351014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13430423 + ... + 13587365.

It is an arithmetic number, because the mean of its divisors is an integer number (114114610176).

Almost surely, 2^{2120126351042} is an apocalyptic number.

2120126351042 is a deficient number, since it is larger than the sum of its proper divisors (1531541174590).

2120126351042 is a wasteful number, since it uses less digits than its factorization.

2120126351042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161502.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 2120126351042 in words is "two trillion, one hundred twenty billion, one hundred twenty-six million, three hundred fifty-one thousand, forty-two".