212130121130310 has 64 divisors (see below), whose sum is σ = 539674737365952. Its totient is φ = 53179793350656.

The previous prime is 212130121130281. The next prime is 212130121130311. The reversal of 212130121130310 is 13031121031212.

It is a super-2 number, since 2×212130121130310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130121130311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236691507 + ... + 237586046.

It is an arithmetic number, because the mean of its divisors is an integer number (8432417771343).

Almost surely, 2^{212130121130310} is an apocalyptic number.

212130121130310 is an abundant number, since it is smaller than the sum of its proper divisors (327544616235642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212130121130310 is a wasteful number, since it uses less digits than its factorization.

212130121130310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474278457.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 212130121130310 its reverse (13031121031212), we get a palindrome (225161242161522).

The spelling of 212130121130310 in words is "two hundred twelve trillion, one hundred thirty billion, one hundred twenty-one million, one hundred thirty thousand, three hundred ten".