212021002130 has 16 divisors (see below), whose sum is σ = 436157490240. Its totient is φ = 72692914992.

The previous prime is 212021002121. The next prime is 212021002157. The reversal of 212021002130 is 31200120212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514435660 + ... + 1514435799.

It is an arithmetic number, because the mean of its divisors is an integer number (27259843140).

Almost surely, 2^212021002130 is an apocalyptic number.

212021002130 is an abundant number, since it is smaller than the sum of its proper divisors (224136488110).

212021002130 is a wasteful number, since it uses less digits than its factorization.

212021002130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028871473.

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

Adding to 212021002130 its reverse (31200120212), we get a palindrome (243221122342).

The spelling of 212021002130 in words is "two hundred twelve billion, twenty-one million, two thousand, one hundred thirty".