542240252122 has 8 divisors (see below), whose sum is σ = 856168819200. Its totient is φ = 256850645724.

The previous prime is 542240252117. The next prime is 542240252137. The reversal of 542240252122 is 221252042245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134740122 + ... + 7134740197.

It is an arithmetic number, because the mean of its divisors is an integer number (107021102400).

Almost surely, 2^542240252122 is an apocalyptic number.

542240252122 is a deficient number, since it is larger than the sum of its proper divisors (313928567078).

542240252122 is a wasteful number, since it uses less digits than its factorization.

542240252122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14269480340.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 542240252122 its reverse (221252042245), we get a palindrome (763492294367).

The spelling of 542240252122 in words is "five hundred forty-two billion, two hundred forty million, two hundred fifty-two thousand, one hundred twenty-two".