2126052621042 has 32 divisors (see below), whose sum is σ = 4859753275392. Its totient is φ = 607418052624.

The previous prime is 2126052621019. The next prime is 2126052621047. The reversal of 2126052621042 is 2401262506212.

It is a super-2 number, since 2×2126052621042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2126052620994 and 2126052621012.

It is not an unprimeable number, because it can be changed into a prime (2126052621047) 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 15 ways as a sum of consecutive naturals, for example, 42898 + ... + 2062509.

It is an arithmetic number, because the mean of its divisors is an integer number (151867289856).

Almost surely, 2^{2126052621042} is an apocalyptic number.

2126052621042 is an abundant number, since it is smaller than the sum of its proper divisors (2733700654350).

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

2126052621042 is a wasteful number, since it uses less digits than its factorization.

2126052621042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129462.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 2126052621042 in words is "two trillion, one hundred twenty-six billion, fifty-two million, six hundred twenty-one thousand, forty-two".