2145120716126 has 32 divisors (see below), whose sum is σ = 3338823771360. Its totient is φ = 1032961499136.

The previous prime is 2145120716077. The next prime is 2145120716159. The reversal of 2145120716126 is 6216170215412.

It is a self number, because there is not a number n which added to its sum of digits gives 2145120716126.

It is a congruent 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, 1766030 + ... + 2721966.

It is an arithmetic number, because the mean of its divisors is an integer number (104338242855).

Almost surely, 2^{2145120716126} is an apocalyptic number.

2145120716126 is a deficient number, since it is larger than the sum of its proper divisors (1193703055234).

2145120716126 is a wasteful number, since it uses less digits than its factorization.

2145120716126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956348.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 2145120716126 in words is "two trillion, one hundred forty-five billion, one hundred twenty million, seven hundred sixteen thousand, one hundred twenty-six".