212002130 has 16 divisors (see below), whose sum is σ = 383128704. Its totient is φ = 84462000.

The previous prime is 212002129. The next prime is 212002181. The reversal of 212002130 is 31200212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39722 + ... + 44741.

It is an arithmetic number, because the mean of its divisors is an integer number (23945544).

Almost surely, 2^212002130 is an apocalyptic number.

212002130 is a deficient number, since it is larger than the sum of its proper divisors (171126574).

212002130 is a wasteful number, since it uses less digits than its factorization.

212002130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84721.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 212002130 is about 14560.2929228776. The cubic root of 212002130 is about 596.2751927204.

Adding to 212002130 its reverse (31200212), we get a palindrome (243202342).

The spelling of 212002130 in words is "two hundred twelve million, two thousand, one hundred thirty".