10105312012 has 12 divisors (see below), whose sum is σ = 17697631840. Its totient is φ = 5048845776.

The previous prime is 10105311991. The next prime is 10105312031. The reversal of 10105312012 is 21021350101.

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, 946587 + ... + 957202.

Almost surely, 2^10105312012 is an apocalyptic number.

It is an amenable number.

10105312012 is a deficient number, since it is larger than the sum of its proper divisors (7592319828).

10105312012 is a wasteful number, since it uses less digits than its factorization.

10105312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905120 (or 1905118 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 10105312012 its reverse (21021350101), we get a palindrome (31126662113).

The spelling of 10105312012 in words is "ten billion, one hundred five million, three hundred twelve thousand, twelve".