1211196448 has 72 divisors (see below), whose sum is σ = 2995526016. Its totient is φ = 471884160.

The previous prime is 1211196431. The next prime is 1211196449. The reversal of 1211196448 is 8446911121.

It is not an unprimeable number, because it can be changed into a prime (1211196449) 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, 4761 + ... + 49447.

It is an arithmetic number, because the mean of its divisors is an integer number (41604528).

Almost surely, 2^1211196448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211196448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497763008).

1211196448 is an abundant number, since it is smaller than the sum of its proper divisors (1784329568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211196448 is a wasteful number, since it uses less digits than its factorization.

1211196448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44726 (or 44707 counting only the distinct ones).

The product of its digits is 13824, while the sum is 37.

The square root of 1211196448 is about 34802.2477435007. The cubic root of 1211196448 is about 1065.9533435645.

The spelling of 1211196448 in words is "one billion, two hundred eleven million, one hundred ninety-six thousand, four hundred forty-eight".