121310010 has 48 divisors (see below), whose sum is σ = 316076904. Its totient is φ = 32280576.

The previous prime is 121309997. The next prime is 121310069. The reversal of 121310010 is 10013121.

It can be written as a sum of positive squares in 4 ways, for example, as 117353889 + 3956121 = 10833^2 + 1989^2 .

It is a super-2 number, since 2×121310010² = 29432237052400200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 121309974 and 121310001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52234 + ... + 54506.

Almost surely, 2^121310010 is an apocalyptic number.

121310010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310010 is an abundant number, since it is smaller than the sum of its proper divisors (194766894).

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

121310010 is a wasteful number, since it uses less digits than its factorization.

121310010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2876 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 121310010 is about 11014.0823494288. The cubic root of 121310010 is about 495.0307908609.

Adding to 121310010 its reverse (10013121), we get a palindrome (131323131).

The spelling of 121310010 in words is "one hundred twenty-one million, three hundred ten thousand, ten".