133212133423420 has 48 divisors (see below), whose sum is σ = 280065853559520. Its totient is φ = 53223838746624.

The previous prime is 133212133423417. The next prime is 133212133423459. The reversal of 133212133423420 is 24324331212331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246104436 + ... + 246645124.

It is an arithmetic number, because the mean of its divisors is an integer number (5834705282490).

Almost surely, 2^{133212133423420} is an apocalyptic number.

133212133423420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133212133423420 is an abundant number, since it is smaller than the sum of its proper divisors (146853720136100).

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

133212133423420 is a wasteful number, since it uses less digits than its factorization.

133212133423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554782 (or 554780 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 133212133423420 its reverse (24324331212331), we get a palindrome (157536464635751).

The spelling of 133212133423420 in words is "one hundred thirty-three trillion, two hundred twelve billion, one hundred thirty-three million, four hundred twenty-three thousand, four hundred twenty".