542353111212 has 192 divisors, whose sum is σ = 1436037120000. Its totient is φ = 157828608000.

The previous prime is 542353111189. The next prime is 542353111217. The reversal of 542353111212 is 212111353245.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 542353111212.

It is not an unprimeable number, because it can be changed into a prime (542353111217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 387671289 + ... + 387672687.

It is an arithmetic number, because the mean of its divisors is an integer number (7479360000).

Almost surely, 2^542353111212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542353111212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718018560000).

542353111212 is an abundant number, since it is smaller than the sum of its proper divisors (893684008788).

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

542353111212 is a wasteful number, since it uses less digits than its factorization.

542353111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

Adding to 542353111212 its reverse (212111353245), we get a palindrome (754464464457).

The spelling of 542353111212 in words is "five hundred forty-two billion, three hundred fifty-three million, one hundred eleven thousand, two hundred twelve".