2542021012 has 12 divisors (see below), whose sum is σ = 4449102336. Its totient is φ = 1270848920.

The previous prime is 2542021007. The next prime is 2542021043. The reversal of 2542021012 is 2101202452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658 + ... + 71305.

It is an arithmetic number, because the mean of its divisors is an integer number (370758528).

Almost surely, 2^2542021012 is an apocalyptic number.

It is an amenable number.

2542021012 is a deficient number, since it is larger than the sum of its proper divisors (1907081324).

2542021012 is a wasteful number, since it uses less digits than its factorization.

2542021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80798 (or 80796 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2542021012 is about 50418.4590403158. The cubic root of 2542021012 is about 1364.7707687535.

Adding to 2542021012 its reverse (2101202452), we get a palindrome (4643223464).

The spelling of 2542021012 in words is "two billion, five hundred forty-two million, twenty-one thousand, twelve".