1211200423441 has 8 divisors (see below), whose sum is σ = 1218854398464. Its totient is φ = 1203553952400.

The previous prime is 1211200423439. The next prime is 1211200423451. The reversal of 1211200423441 is 1443240021121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1211200423441 - 2¹ = 1211200423439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211200423421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551985 + ... + 2197966.

It is an arithmetic number, because the mean of its divisors is an integer number (152356799808).

Almost surely, 2^{1211200423441} is an apocalyptic number.

It is an amenable number.

1211200423441 is a deficient number, since it is larger than the sum of its proper divisors (7653975023).

1211200423441 is a wasteful number, since it uses less digits than its factorization.

1211200423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751991.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1211200423441 its reverse (1443240021121), we get a palindrome (2654440444562).

The spelling of 1211200423441 in words is "one trillion, two hundred eleven billion, two hundred million, four hundred twenty-three thousand, four hundred forty-one".