1023000001213 has 16 divisors (see below), whose sum is σ = 1083342715200. Its totient is φ = 963315901440.

The previous prime is 1023000001207. The next prime is 1023000001217. The reversal of 1023000001213 is 3121000003201.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023000001213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023000001193 and 1023000001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023000001217) 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, 4212618 + ... + 4448836.

It is an arithmetic number, because the mean of its divisors is an integer number (67708919700).

Almost surely, 2^{1023000001213} is an apocalyptic number.

It is an amenable number.

1023000001213 is a deficient number, since it is larger than the sum of its proper divisors (60342713987).

1023000001213 is a wasteful number, since it uses less digits than its factorization.

1023000001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237612.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1023000001213 its reverse (3121000003201), we get a palindrome (4144000004414).

The spelling of 1023000001213 in words is "one trillion, twenty-three billion, one thousand, two hundred thirteen".