101212133203400 has 24 divisors (see below), whose sum is σ = 235318209698370. Its totient is φ = 40484853281280.

The previous prime is 101212133203333. The next prime is 101212133203403. The reversal of 101212133203400 is 4302331212101.

101212133203400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 84048960223684 + 17163172979716 = 9167822^2 + 4142846^2 .

It is not an unprimeable number, because it can be changed into a prime (101212133203403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 253030332809 + ... + 253030333208.

Almost surely, 2^{101212133203400} is an apocalyptic number.

101212133203400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212133203400 is an abundant number, since it is smaller than the sum of its proper divisors (134106076494970).

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

101212133203400 is a wasteful number, since it uses less digits than its factorization.

101212133203400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506060666033 (or 506060666024 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 101212133203400 its reverse (4302331212101), we get a palindrome (105514464415501).

The spelling of 101212133203400 in words is "one hundred one trillion, two hundred twelve billion, one hundred thirty-three million, two hundred three thousand, four hundred".