134211203412 has 192 divisors, whose sum is σ = 387655511040. Its totient is φ = 35530444800.

The previous prime is 134211203389. The next prime is 134211203417. The reversal of 134211203412 is 214302112431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134211203417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59044708 + ... + 59046980.

It is an arithmetic number, because the mean of its divisors is an integer number (2019039120).

Almost surely, 2^134211203412 is an apocalyptic number.

134211203412 is a gapful number since it is divisible by the number (12) 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 134211203412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193827755520).

134211203412 is an abundant number, since it is smaller than the sum of its proper divisors (253444307628).

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

134211203412 is a wasteful number, since it uses less digits than its factorization.

134211203412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4132 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 134211203412 its reverse (214302112431), we get a palindrome (348513315843).

The spelling of 134211203412 in words is "one hundred thirty-four billion, two hundred eleven million, two hundred three thousand, four hundred twelve".