121012010 has 32 divisors (see below), whose sum is σ = 250750080. Its totient is φ = 41188032.

The previous prime is 121011997. The next prime is 121012013. The reversal of 121012010 is 10210121.

It is not an unprimeable number, because it can be changed into a prime (121012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3512 + ... + 15948.

It is an arithmetic number, because the mean of its divisors is an integer number (7835940).

Almost surely, 2^121012010 is an apocalyptic number.

121012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012010 is an abundant number, since it is smaller than the sum of its proper divisors (129738070).

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

121012010 is a wasteful number, since it uses less digits than its factorization.

121012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12590.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 121012010 is about 11000.5458955454. The cubic root of 121012010 is about 494.6251081114.

Adding to 121012010 its reverse (10210121), we get a palindrome (131222131).

The spelling of 121012010 in words is "one hundred twenty-one million, twelve thousand, ten".