1443212123441 has 12 divisors (see below), whose sum is σ = 1596072771216. Its totient is φ = 1303961856120.

The previous prime is 1443212123417. The next prime is 1443212123453.

1443212123441 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-1443212123441 is a prime.

It is a super-2 number, since 2×1443212123441² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1443212123398 and 1443212123407.

It is not an unprimeable number, because it can be changed into a prime (1443212123341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36567311 + ... + 36606756.

It is an arithmetic number, because the mean of its divisors is an integer number (133006064268).

Almost surely, 2^{1443212123441} is an apocalyptic number.

1443212123441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1443212123441 is a deficient number, since it is larger than the sum of its proper divisors (152860647775).

1443212123441 is a wasteful number, since it uses less digits than its factorization.

1443212123441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73174252 (or 73174241 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The spelling of 1443212123441 in words is "one trillion, four hundred forty-three billion, two hundred twelve million, one hundred twenty-three thousand, four hundred forty-one".