1213020202130 has 16 divisors (see below), whose sum is σ = 2381930578944. Its totient is φ = 441098255280.

The previous prime is 1213020202123. The next prime is 1213020202133. The reversal of 1213020202130 is 312020203121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1213020202099 and 1213020202108.

It is not an unprimeable number, because it can be changed into a prime (1213020202133) 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, 5513728082 + ... + 5513728301.

It is an arithmetic number, because the mean of its divisors is an integer number (148870661184).

Almost surely, 2^{1213020202130} is an apocalyptic number.

1213020202130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213020202130 is a deficient number, since it is larger than the sum of its proper divisors (1168910376814).

1213020202130 is a wasteful number, since it uses less digits than its factorization.

1213020202130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027456401.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1213020202130 its reverse (312020203121), we get a palindrome (1525040405251).

Subtracting from 1213020202130 its reverse (312020203121), we obtain a palindrome (900999999009).

The spelling of 1213020202130 in words is "one trillion, two hundred thirteen billion, twenty million, two hundred two thousand, one hundred thirty".