212130121010 has 32 divisors (see below), whose sum is σ = 390003102720. Its totient is φ = 83037155392.

The previous prime is 212130121001. The next prime is 212130121013. The reversal of 212130121010 is 10121031212.

It is not an unprimeable number, because it can be changed into a prime (212130121013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5190536 + ... + 5231244.

It is an arithmetic number, because the mean of its divisors is an integer number (12187596960).

Almost surely, 2^212130121010 is an apocalyptic number.

212130121010 is a deficient number, since it is larger than the sum of its proper divisors (177872981710).

212130121010 is a wasteful number, since it uses less digits than its factorization.

212130121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51850.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 212130121010 its reverse (10121031212), we get a palindrome (222251152222).

The spelling of 212130121010 in words is "two hundred twelve billion, one hundred thirty million, one hundred twenty-one thousand, ten".