134421121200 has 240 divisors, whose sum is σ = 445292896256. Its totient is φ = 34626355200.

The previous prime is 134421121189. The next prime is 134421121213. The reversal of 134421121200 is 2121124431.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22577424 + ... + 22583376.

Almost surely, 2^134421121200 is an apocalyptic number.

134421121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134421121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222646448128).

134421121200 is an abundant number, since it is smaller than the sum of its proper divisors (310871775056).

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

134421121200 is a wasteful number, since it uses less digits than its factorization.

134421121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6612 (or 6601 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 134421121200 its reverse (2121124431), we get a palindrome (136542245631).

The spelling of 134421121200 in words is "one hundred thirty-four billion, four hundred twenty-one million, one hundred twenty-one thousand, two hundred".