1213312422432 has 72 divisors (see below), whose sum is σ = 3500807467248. Its totient is φ = 367670427520.

The previous prime is 1213312422403. The next prime is 1213312422457. The reversal of 1213312422432 is 2342242133121.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1213312422432.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52214298 + ... + 52237529.

It is an arithmetic number, because the mean of its divisors is an integer number (48622325934).

Almost surely, 2^{1213312422432} is an apocalyptic number.

1213312422432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1213312422432 is an abundant number, since it is smaller than the sum of its proper divisors (2287495044816).

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

1213312422432 is a wasteful number, since it uses less digits than its factorization.

1213312422432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104451862 (or 104451843 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 1213312422432 its reverse (2342242133121), we get a palindrome (3555554555553).

The spelling of 1213312422432 in words is "one trillion, two hundred thirteen billion, three hundred twelve million, four hundred twenty-two thousand, four hundred thirty-two".