10001312031212 has 12 divisors (see below), whose sum is σ = 18423469531320. Its totient is φ = 4737463593696.

The previous prime is 10001312031203. The next prime is 10001312031247. The reversal of 10001312031212 is 21213021310001.

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, 65798105393 + ... + 65798105544.

It is an arithmetic number, because the mean of its divisors is an integer number (1535289127610).

Almost surely, 2^{10001312031212} is an apocalyptic number.

It is an amenable number.

10001312031212 is a deficient number, since it is larger than the sum of its proper divisors (8422157500108).

10001312031212 is a wasteful number, since it uses less digits than its factorization.

10001312031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131596210960 (or 131596210958 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10001312031212 its reverse (21213021310001), we get a palindrome (31214333341213).

The spelling of 10001312031212 in words is "ten trillion, one billion, three hundred twelve million, thirty-one thousand, two hundred twelve".