121443044404 has 36 divisors (see below), whose sum is σ = 236802319012. Its totient is φ = 54445184640.

The previous prime is 121443044377. The next prime is 121443044417. The reversal of 121443044404 is 404440344121.

It can be written as a sum of positive squares in 2 ways, for example, as 84217200804 + 37225843600 = 290202^2 + 192940^2 .

It is a super-2 number, since 2×121443044404² (a number of 23 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 11 ways as a sum of consecutive naturals, for example, 1683267 + ... + 1753930.

Almost surely, 2^121443044404 is an apocalyptic number.

It is an amenable number.

121443044404 is a deficient number, since it is larger than the sum of its proper divisors (115359274608).

121443044404 is a wasteful number, since it uses less digits than its factorization.

121443044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437296 (or 3437283 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 121443044404 its reverse (404440344121), we get a palindrome (525883388525).

The spelling of 121443044404 in words is "one hundred twenty-one billion, four hundred forty-three million, forty-four thousand, four hundred four".