43144201212 has 48 divisors (see below), whose sum is σ = 115647366912. Its totient is φ = 12263040000.

The previous prime is 43144201193. The next prime is 43144201259. The reversal of 43144201212 is 21210244134.

It is a super-2 number, since 2×43144201212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314414 + ... + 1346837.

It is an arithmetic number, because the mean of its divisors is an integer number (2409320144).

Almost surely, 2^43144201212 is an apocalyptic number.

43144201212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43144201212 is an abundant number, since it is smaller than the sum of its proper divisors (72503165700).

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

43144201212 is a wasteful number, since it uses less digits than its factorization.

43144201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661458 (or 2661456 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 43144201212 its reverse (21210244134), we get a palindrome (64354445346).

The spelling of 43144201212 in words is "forty-three billion, one hundred forty-four million, two hundred one thousand, two hundred twelve".