121012310330210 has 32 divisors (see below), whose sum is σ = 234686260336752. Its totient is φ = 44660792033280.

The previous prime is 121012310330179. The next prime is 121012310330213. The reversal of 121012310330210 is 12033013210121.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13658072836489 + 107354237493721 = 3695683^2 + 10361189^2 .

It is not an unprimeable number, because it can be changed into a prime (121012310330213) 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, 215097119 + ... + 215658978.

Almost surely, 2^{121012310330210} is an apocalyptic number.

121012310330210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012310330210 is a deficient number, since it is larger than the sum of its proper divisors (113673950006542).

121012310330210 is a wasteful number, since it uses less digits than its factorization.

121012310330210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430758278.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121012310330210 its reverse (12033013210121), we get a palindrome (133045323540331).

The spelling of 121012310330210 in words is "one hundred twenty-one trillion, twelve billion, three hundred ten million, three hundred thirty thousand, two hundred ten".