1012120034321 has 8 divisors (see below), whose sum is σ = 1119682087488. Its totient is φ = 907149838000.

The previous prime is 1012120034311. The next prime is 1012120034333. The reversal of 1012120034321 is 1234300212101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012120034321 - 2⁶ = 1012120034257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012120034293 and 1012120034302.

It is not an unprimeable number, because it can be changed into a prime (1012120034311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647963390 + ... + 647964951.

It is an arithmetic number, because the mean of its divisors is an integer number (139960260936).

Almost surely, 2^{1012120034321} is an apocalyptic number.

1012120034321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012120034321 is a deficient number, since it is larger than the sum of its proper divisors (107562053167).

1012120034321 is a wasteful number, since it uses less digits than its factorization.

1012120034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295928423.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1012120034321 its reverse (1234300212101), we get a palindrome (2246420246422).

The spelling of 1012120034321 in words is "one trillion, twelve billion, one hundred twenty million, thirty-four thousand, three hundred twenty-one".