1321012214412 has 48 divisors (see below), whose sum is σ = 3385144224000. Its totient is φ = 397620103360.

The previous prime is 1321012214359. The next prime is 1321012214413. The reversal of 1321012214412 is 2144122101231.

It is not an unprimeable number, because it can be changed into a prime (1321012214413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33563112 + ... + 33602447.

It is an arithmetic number, because the mean of its divisors is an integer number (70523838000).

Almost surely, 2^{1321012214412} is an apocalyptic number.

1321012214412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321012214412 is an abundant number, since it is smaller than the sum of its proper divisors (2064132009588).

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

1321012214412 is a wasteful number, since it uses less digits than its factorization.

1321012214412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67165726 (or 67165724 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1321012214412 its reverse (2144122101231), we get a palindrome (3465134315643).

The spelling of 1321012214412 in words is "one trillion, three hundred twenty-one billion, twelve million, two hundred fourteen thousand, four hundred twelve".