120121212010 has 8 divisors (see below), whose sum is σ = 216218181636. Its totient is φ = 48048484800.

The previous prime is 120121211981. The next prime is 120121212041. The reversal of 120121212010 is 10212121021.

It can be written as a sum of positive squares in 2 ways, for example, as 119914686369 + 206525641 = 346287^2 + 14371^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6006060591 + ... + 6006060610.

Almost surely, 2^120121212010 is an apocalyptic number.

120121212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121212010 is a deficient number, since it is larger than the sum of its proper divisors (96096969626).

120121212010 is a wasteful number, since it uses less digits than its factorization.

120121212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012121208.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121212010 its reverse (10212121021), we get a palindrome (130333333031).

The spelling of 120121212010 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, ten".