1213444011332 has 12 divisors (see below), whose sum is σ = 2426888022720. Its totient is φ = 520047433416.

The previous prime is 1213444011257. The next prime is 1213444011343. The reversal of 1213444011332 is 2331104443121.

1213444011332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1213444011295 and 1213444011304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21668643032 + ... + 21668643087.

It is an arithmetic number, because the mean of its divisors is an integer number (202240668560).

Almost surely, 2^{1213444011332} is an apocalyptic number.

It is an amenable number.

1213444011332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1213444011332 is a wasteful number, since it uses less digits than its factorization.

1213444011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337286130 (or 43337286128 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1213444011332 its reverse (2331104443121), we get a palindrome (3544548454453).

The spelling of 1213444011332 in words is "one trillion, two hundred thirteen billion, four hundred forty-four million, eleven thousand, three hundred thirty-two".