1012120123213 has 4 divisors (see below), whose sum is σ = 1026375336288. Its totient is φ = 997864910140.

The previous prime is 1012120123207. The next prime is 1012120123237. The reversal of 1012120123213 is 3123210212101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1012120123213 - 2⁹ = 1012120122701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012120123243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7127606431 + ... + 7127606572.

It is an arithmetic number, because the mean of its divisors is an integer number (256593834072).

Almost surely, 2^{1012120123213} is an apocalyptic number.

It is an amenable number.

1012120123213 is a deficient number, since it is larger than the sum of its proper divisors (14255213075).

1012120123213 is an equidigital number, since it uses as much as digits as its factorization.

1012120123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14255213074.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1012120123213 its reverse (3123210212101), we get a palindrome (4135330335314).

The spelling of 1012120123213 in words is "one trillion, twelve billion, one hundred twenty million, one hundred twenty-three thousand, two hundred thirteen".