10121231012 has 12 divisors (see below), whose sum is σ = 17724124236. Its totient is φ = 5057195520.

The previous prime is 10121230991. The next prime is 10121231041. The reversal of 10121231012 is 21013212101.

10121231012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3119892736 + 7001338276 = 55856^2 + 83674^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 848333 + ... + 860180.

It is an arithmetic number, because the mean of its divisors is an integer number (1477010353).

Almost surely, 2^10121231012 is an apocalyptic number.

It is an amenable number.

10121231012 is a deficient number, since it is larger than the sum of its proper divisors (7602893224).

10121231012 is a wasteful number, since it uses less digits than its factorization.

10121231012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709998 (or 1709996 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121231012 its reverse (21013212101), we get a palindrome (31134443113).

The spelling of 10121231012 in words is "ten billion, one hundred twenty-one million, two hundred thirty-one thousand, twelve".