2120126351010 has 64 divisors (see below), whose sum is σ = 5147265657600. Its totient is φ = 558834348800.

The previous prime is 2120126351009. The next prime is 2120126351017. The reversal of 2120126351010 is 101536210212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120126351017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1230904 + ... + 2399036.

It is an arithmetic number, because the mean of its divisors is an integer number (80426025900).

Almost surely, 2^{2120126351010} is an apocalyptic number.

2120126351010 is an abundant number, since it is smaller than the sum of its proper divisors (3027139306590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120126351010 is a wasteful number, since it uses less digits than its factorization.

2120126351010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168843.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 2120126351010 in words is "two trillion, one hundred twenty billion, one hundred twenty-six million, three hundred fifty-one thousand, ten".