542012220341 has 4 divisors (see below), whose sum is σ = 542256262284. Its totient is φ = 541768178400.

The previous prime is 542012220331. The next prime is 542012220359. The reversal of 542012220341 is 143022210245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 482156640625 + 59855579716 = 694375^2 + 244654^2 .

It is a cyclic number.

It is not a de Polignac number, because 542012220341 - 2¹⁸ = 542011958197 is a prime.

It is a super-3 number, since 3×542012220341³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542012220341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542012220331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122017640 + ... + 122022081.

It is an arithmetic number, because the mean of its divisors is an integer number (135564065571).

Almost surely, 2^542012220341 is an apocalyptic number.

It is an amenable number.

542012220341 is a deficient number, since it is larger than the sum of its proper divisors (244041943).

542012220341 is a wasteful number, since it uses less digits than its factorization.

542012220341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244041942.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 542012220341 its reverse (143022210245), we get a palindrome (685034430586).

The spelling of 542012220341 in words is "five hundred forty-two billion, twelve million, two hundred twenty thousand, three hundred forty-one".