133241212220 has 48 divisors (see below), whose sum is σ = 304034304000. Its totient is φ = 48862647360.

The previous prime is 133241212219. The next prime is 133241212231. The reversal of 133241212220 is 22212142331.

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, 5643620 + ... + 5667179.

It is an arithmetic number, because the mean of its divisors is an integer number (6334048000).

Almost surely, 2^133241212220 is an apocalyptic number.

133241212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133241212220 is an abundant number, since it is smaller than the sum of its proper divisors (170793091780).

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

133241212220 is a wasteful number, since it uses less digits than its factorization.

133241212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310858 (or 11310856 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 133241212220 its reverse (22212142331), we get a palindrome (155453354551).

The spelling of 133241212220 in words is "one hundred thirty-three billion, two hundred forty-one million, two hundred twelve thousand, two hundred twenty".