1243001124222 has 96 divisors (see below), whose sum is σ = 2937276349056. Its totient is φ = 347620291200.

The previous prime is 1243001124217. The next prime is 1243001124307. The reversal of 1243001124222 is 2224211003421.

It is a junction number, because it is equal to n+sod(n) for n = 1243001124192 and 1243001124201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75872472 + ... + 75888852.

It is an arithmetic number, because the mean of its divisors is an integer number (30596628636).

Almost surely, 2^{1243001124222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243001124222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468638174528).

1243001124222 is an abundant number, since it is smaller than the sum of its proper divisors (1694275224834).

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

1243001124222 is a wasteful number, since it uses less digits than its factorization.

1243001124222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23226 (or 23213 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1243001124222 its reverse (2224211003421), we get a palindrome (3467212127643).

The spelling of 1243001124222 in words is "one trillion, two hundred forty-three billion, one million, one hundred twenty-four thousand, two hundred twenty-two".