212021020130 has 32 divisors (see below), whose sum is σ = 382770520704. Its totient is φ = 84557063296.

The previous prime is 212021020093. The next prime is 212021020147. The reversal of 212021020130 is 31020120212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4802939 + ... + 4846881.

It is an arithmetic number, because the mean of its divisors is an integer number (11961578772).

Almost surely, 2^212021020130 is an apocalyptic number.

212021020130 is a deficient number, since it is larger than the sum of its proper divisors (170749500574).

212021020130 is a wasteful number, since it uses less digits than its factorization.

212021020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45370.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 212021020130 its reverse (31020120212), we get a palindrome (243041140342).

The spelling of 212021020130 in words is "two hundred twelve billion, twenty-one million, twenty thousand, one hundred thirty".