1243434144022 has 32 divisors (see below), whose sum is σ = 2142303552000. Its totient is φ = 530231428608.

The previous prime is 1243434144019. The next prime is 1243434144037. The reversal of 1243434144022 is 2204414343421.

It is a super-2 number, since 2×1243434144022² (a number of 25 digits) contains 22 as substring.

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, 1981173 + ... + 2532175.

It is an arithmetic number, because the mean of its divisors is an integer number (66946986000).

Almost surely, 2^{1243434144022} is an apocalyptic number.

1243434144022 is a deficient number, since it is larger than the sum of its proper divisors (898869407978).

1243434144022 is a wasteful number, since it uses less digits than its factorization.

1243434144022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551820.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1243434144022 its reverse (2204414343421), we get a palindrome (3447848487443).

The spelling of 1243434144022 in words is "one trillion, two hundred forty-three billion, four hundred thirty-four million, one hundred forty-four thousand, twenty-two".