1241211801448 has 32 divisors (see below), whose sum is σ = 2391766740000. Its totient is φ = 603429728832.

The previous prime is 1241211801443. The next prime is 1241211801449. The reversal of 1241211801448 is 8441081121421.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1241211801443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954990 + ... + 1842397.

It is an arithmetic number, because the mean of its divisors is an integer number (74742710625).

Almost surely, 2^{1241211801448} is an apocalyptic number.

It is an amenable number.

1241211801448 is a deficient number, since it is larger than the sum of its proper divisors (1150554938552).

1241211801448 is a wasteful number, since it uses less digits than its factorization.

1241211801448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798929 (or 2798925 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 37.

Adding to 1241211801448 its reverse (8441081121421), we get a palindrome (9682292922869).

The spelling of 1241211801448 in words is "one trillion, two hundred forty-one billion, two hundred eleven million, eight hundred one thousand, four hundred forty-eight".