12121330010 has 8 divisors (see below), whose sum is σ = 21818394036. Its totient is φ = 4848532000.

The previous prime is 12121330009. The next prime is 12121330019. The reversal of 12121330010 is 1003312121.

It can be written as a sum of positive squares in 2 ways, for example, as 12004927489 + 116402521 = 109567^2 + 10789^2 .

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

It is a super-2 number, since 2×12121330010² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121330019) 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, 606066491 + ... + 606066510.

Almost surely, 2^12121330010 is an apocalyptic number.

12121330010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121330010 is a deficient number, since it is larger than the sum of its proper divisors (9697064026).

12121330010 is a wasteful number, since it uses less digits than its factorization.

12121330010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212133008.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12121330010 its reverse (1003312121), we get a palindrome (13124642131).

The spelling of 12121330010 in words is "twelve billion, one hundred twenty-one million, three hundred thirty thousand, ten".