542212144553121 has 64 divisors (see below), whose sum is σ = 886191602614272. Its totient is φ = 288199410250752.

The previous prime is 542212144553071. The next prime is 542212144553269. The reversal of 542212144553121 is 121355441212245.

It is not a de Polignac number, because 542212144553121 - 2²¹ = 542212142455969 is a prime.

It is a super-3 number, since 3×542212144553121³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (542212144555121) 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, 90828505 + ... + 96613878.

It is an arithmetic number, because the mean of its divisors is an integer number (13846743790848).

Almost surely, 2^{542212144553121} is an apocalyptic number.

It is an amenable number.

542212144553121 is a deficient number, since it is larger than the sum of its proper divisors (343979458061151).

542212144553121 is a wasteful number, since it uses less digits than its factorization.

542212144553121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187442582.

The product of its digits is 384000, while the sum is 42.

Adding to 542212144553121 its reverse (121355441212245), we get a palindrome (663567585765366).

The spelling of 542212144553121 in words is "five hundred forty-two trillion, two hundred twelve billion, one hundred forty-four million, five hundred fifty-three thousand, one hundred twenty-one".