1023011212213 has 16 divisors (see below), whose sum is σ = 1063410070320. Its totient is φ = 982958505984.

The previous prime is 1023011212207. The next prime is 1023011212243. The reversal of 1023011212213 is 3122121103201.

1023011212213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 197271887409 + 825739324804 = 444153^2 + 908702^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1023011212213 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 (1023011212243) 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, 12615445 + ... + 12696277.

It is an arithmetic number, because the mean of its divisors is an integer number (66463129395).

Almost surely, 2^{1023011212213} is an apocalyptic number.

It is an amenable number.

1023011212213 is a deficient number, since it is larger than the sum of its proper divisors (40398858107).

1023011212213 is a wasteful number, since it uses less digits than its factorization.

1023011212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82968.

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

Adding to 1023011212213 its reverse (3122121103201), we get a palindrome (4145132315414).

The spelling of 1023011212213 in words is "one trillion, twenty-three billion, eleven million, two hundred twelve thousand, two hundred thirteen".