542512005512120 has 96 divisors (see below), whose sum is σ = 1419997482953280. Its totient is φ = 185996866164480.

The previous prime is 542512005512077. The next prime is 542512005512123. The reversal of 542512005512120 is 21215500215245.

It is a super-2 number, since 2×542512005512120² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542512005512123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45023825 + ... + 55786815.

It is an arithmetic number, because the mean of its divisors is an integer number (14791640447430).

Almost surely, 2^{542512005512120} is an apocalyptic number.

It is an amenable number.

542512005512120 is an abundant number, since it is smaller than the sum of its proper divisors (877485477441160).

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

542512005512120 is a wasteful number, since it uses less digits than its factorization.

542512005512120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788733 (or 10788722 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

Adding to 542512005512120 its reverse (21215500215245), we get a palindrome (563727505727365).

The spelling of 542512005512120 in words is "five hundred forty-two trillion, five hundred twelve billion, five million, five hundred twelve thousand, one hundred twenty".