1223141501244 has 144 divisors (see below), whose sum is σ = 3175650690912. Its totient is φ = 365983128576.

The previous prime is 1223141501221. The next prime is 1223141501287. The reversal of 1223141501244 is 4421051413221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 202068922 + ... + 202074974.

It is an arithmetic number, because the mean of its divisors is an integer number (22053129798).

Almost surely, 2^{1223141501244} 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 1223141501244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587825345456).

1223141501244 is an abundant number, since it is smaller than the sum of its proper divisors (1952509189668).

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

1223141501244 is a wasteful number, since it uses less digits than its factorization.

1223141501244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8816 (or 8801 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1223141501244 its reverse (4421051413221), we get a palindrome (5644192914465).

The spelling of 1223141501244 in words is "one trillion, two hundred twenty-three billion, one hundred forty-one million, five hundred one thousand, two hundred forty-four".