212133013420 has 12 divisors (see below), whose sum is σ = 445479328224. Its totient is φ = 84853205360.

The previous prime is 212133013291. The next prime is 212133013427. The reversal of 212133013420 is 24310331212.

212133013420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212133013391 and 212133013400.

It is not an unprimeable number, because it can be changed into a prime (212133013427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5303325316 + ... + 5303325355.

It is an arithmetic number, because the mean of its divisors is an integer number (37123277352).

Almost surely, 2^212133013420 is an apocalyptic number.

212133013420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212133013420 is an abundant number, since it is smaller than the sum of its proper divisors (233346314804).

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

212133013420 is a wasteful number, since it uses less digits than its factorization.

212133013420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606650680 (or 10606650678 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212133013420 its reverse (24310331212), we get a palindrome (236443344632).

The spelling of 212133013420 in words is "two hundred twelve billion, one hundred thirty-three million, thirteen thousand, four hundred twenty".