212002145230 has 16 divisors (see below), whose sum is σ = 390911273424. Its totient is φ = 82732544320.

The previous prime is 212002145209. The next prime is 212002145263. The reversal of 212002145230 is 32541200212.

It is a happy number.

It is a congruent number.

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, 258538792 + ... + 258539611.

It is an arithmetic number, because the mean of its divisors is an integer number (24431954589).

Almost surely, 2^212002145230 is an apocalyptic number.

212002145230 is a deficient number, since it is larger than the sum of its proper divisors (178909128194).

212002145230 is a wasteful number, since it uses less digits than its factorization.

212002145230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517078451.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 212002145230 its reverse (32541200212), we get a palindrome (244543345442).

The spelling of 212002145230 in words is "two hundred twelve billion, two million, one hundred forty-five thousand, two hundred thirty".