1213022240430 has 512 divisors, whose sum is σ = 4095599542272. Its totient is φ = 221633280000.

The previous prime is 1213022240411. The next prime is 1213022240431. The reversal of 1213022240430 is 340422203121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1213022240430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213022240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 173359692 + ... + 173366688.

It is an arithmetic number, because the mean of its divisors is an integer number (7999217856).

Almost surely, 2^{1213022240430} is an apocalyptic number.

1213022240430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213022240430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047799771136).

1213022240430 is an abundant number, since it is smaller than the sum of its proper divisors (2882577301842).

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

1213022240430 is a wasteful number, since it uses less digits than its factorization.

1213022240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1213022240430 its reverse (340422203121), we get a palindrome (1553444443551).

The spelling of 1213022240430 in words is "one trillion, two hundred thirteen billion, twenty-two million, two hundred forty thousand, four hundred thirty".