100212330535405 has 12 divisors (see below), whose sum is σ = 132180892178076. Its totient is φ = 72881694934400.

The previous prime is 100212330535357. The next prime is 100212330535409. The reversal of 100212330535405 is 504535033212001.

It can be written as a sum of positive squares in 2 ways, for example, as 75569257391364 + 24643073144041 = 8693058^2 + 4964179^2 .

It is not a de Polignac number, because 100212330535405 - 2⁴³ = 91416237513197 is a prime.

It is a super-2 number, since 2×100212330535405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212330535409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82820107276 + ... + 82820108485.

It is an arithmetic number, because the mean of its divisors is an integer number (11015074348173).

Almost surely, 2^{100212330535405} is an apocalyptic number.

It is an amenable number.

100212330535405 is a deficient number, since it is larger than the sum of its proper divisors (31968561642671).

100212330535405 is a wasteful number, since it uses less digits than its factorization.

100212330535405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165640215788 (or 165640215777 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 100212330535405 its reverse (504535033212001), we get a palindrome (604747363747406).

The spelling of 100212330535405 in words is "one hundred trillion, two hundred twelve billion, three hundred thirty million, five hundred thirty-five thousand, four hundred five".