121303031210 has 8 divisors (see below), whose sum is σ = 218345456196. Its totient is φ = 48521212480.

The previous prime is 121303031183. The next prime is 121303031219. The reversal of 121303031210 is 12130303121.

It can be written as a sum of positive squares in 2 ways, for example, as 118355952841 + 2947078369 = 344029^2 + 54287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121303031219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6065151551 + ... + 6065151570.

Almost surely, 2^121303031210 is an apocalyptic number.

121303031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303031210 is a deficient number, since it is larger than the sum of its proper divisors (97042424986).

121303031210 is a wasteful number, since it uses less digits than its factorization.

121303031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130303128.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121303031210 its reverse (12130303121), we get a palindrome (133433334331).

The spelling of 121303031210 in words is "one hundred twenty-one billion, three hundred three million, thirty-one thousand, two hundred ten".