542320012 has 24 divisors (see below), whose sum is σ = 1038825872. Its totient is φ = 246196800.

The previous prime is 542320003. The next prime is 542320027. The reversal of 542320012 is 210023245.

It is a super-2 number, since 2×542320012² = 588221990831360288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82314 + ... + 88657.

Almost surely, 2^542320012 is an apocalyptic number.

542320012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

542320012 is a deficient number, since it is larger than the sum of its proper divisors (496505860).

542320012 is a wasteful number, since it uses less digits than its factorization.

542320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171049 (or 171047 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 542320012 is about 23287.7652856602. The cubic root of 542320012 is about 815.4898190981.

Adding to 542320012 its reverse (210023245), we get a palindrome (752343257).

The spelling of 542320012 in words is "five hundred forty-two million, three hundred twenty thousand, twelve".