1222440343124 has 96 divisors (see below), whose sum is σ = 2876139098112. Its totient is φ = 439052400000.

The previous prime is 1222440343121. The next prime is 1222440343133. The reversal of 1222440343124 is 4213430442221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222440343121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2803739 + ... + 3210269.

It is an arithmetic number, because the mean of its divisors is an integer number (29959782272).

Almost surely, 2^{1222440343124} is an apocalyptic number.

1222440343124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222440343124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438069549056).

1222440343124 is an abundant number, since it is smaller than the sum of its proper divisors (1653698754988).

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

1222440343124 is a wasteful number, since it uses less digits than its factorization.

1222440343124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407317 (or 407315 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 1222440343124 its reverse (4213430442221), we get a palindrome (5435870785345).

The spelling of 1222440343124 in words is "one trillion, two hundred twenty-two billion, four hundred forty million, three hundred forty-three thousand, one hundred twenty-four".