10121012 has 48 divisors (see below), whose sum is σ = 20587392. Its totient is φ = 4308480.

The previous prime is 10121009. The next prime is 10121063. The reversal of 10121012 is 21012101.

10121012 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73808 + ... + 73944.

It is an arithmetic number, because the mean of its divisors is an integer number (428904).

Almost surely, 2^10121012 is an apocalyptic number.

It is an amenable number.

10121012 is an abundant number, since it is smaller than the sum of its proper divisors (10466380).

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

10121012 is a wasteful number, since it uses less digits than its factorization.

10121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 246 counting only the distinct ones).

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

The square root of 10121012 is about 3181.3537998783. The cubic root of 10121012 is about 216.3090284024.

Adding to 10121012 its reverse (21012101), we get a palindrome (31133113).

It can be divided in two parts, 1012101 and 2, that multiplied together give a palindrome (2024202).

The spelling of 10121012 in words is "ten million, one hundred twenty-one thousand, twelve".