100212142355242 has 32 divisors (see below), whose sum is σ = 159366152911680. Its totient is φ = 47179480750080.

The previous prime is 100212142355219. The next prime is 100212142355261. The reversal of 100212142355242 is 242553241212001.

It is a super-3 number, since 3×100212142355242³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100212142355198 and 100212142355207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29744008 + ... + 32941315.

It is an arithmetic number, because the mean of its divisors is an integer number (4980192278490).

Almost surely, 2^{100212142355242} is an apocalyptic number.

100212142355242 is a deficient number, since it is larger than the sum of its proper divisors (59154010556438).

100212142355242 is a wasteful number, since it uses less digits than its factorization.

100212142355242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62686038.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 100212142355242 its reverse (242553241212001), we get a palindrome (342765383567243).

The spelling of 100212142355242 in words is "one hundred trillion, two hundred twelve billion, one hundred forty-two million, three hundred fifty-five thousand, two hundred forty-two".