144534134521212 has 24 divisors (see below), whose sum is σ = 337791138316800. Its totient is φ = 48100212778416.

The previous prime is 144534134521157. The next prime is 144534134521223. The reversal of 144534134521212 is 212125431435441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9729000012 + ... + 9729014867.

It is an arithmetic number, because the mean of its divisors is an integer number (14074630763200).

Almost surely, 2^{144534134521212} is an apocalyptic number.

144534134521212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144534134521212 is an abundant number, since it is smaller than the sum of its proper divisors (193257003795588).

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

144534134521212 is a wasteful number, since it uses less digits than its factorization.

144534134521212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19458015505 (or 19458015503 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

Adding to 144534134521212 its reverse (212125431435441), we get a palindrome (356659565956653).

The spelling of 144534134521212 in words is "one hundred forty-four trillion, five hundred thirty-four billion, one hundred thirty-four million, five hundred twenty-one thousand, two hundred twelve".