1244121210550 has 12 divisors (see below), whose sum is σ = 2314065451716. Its totient is φ = 497648484200.

The previous prime is 1244121210481. The next prime is 1244121210589. The reversal of 1244121210550 is 550121214421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12441212056 + ... + 12441212155.

It is an arithmetic number, because the mean of its divisors is an integer number (192838787643).

Almost surely, 2^{1244121210550} is an apocalyptic number.

1244121210550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244121210550 is a deficient number, since it is larger than the sum of its proper divisors (1069944241166).

1244121210550 is a wasteful number, since it uses less digits than its factorization.

1244121210550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24882424223 (or 24882424218 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1244121210550 its reverse (550121214421), we get a palindrome (1794242424971).

The spelling of 1244121210550 in words is "one trillion, two hundred forty-four billion, one hundred twenty-one million, two hundred ten thousand, five hundred fifty".