10031321212 has 96 divisors (see below), whose sum is σ = 20150907840. Its totient is φ = 4327680000.

The previous prime is 10031321203. The next prime is 10031321221. The reversal of 10031321212 is 21212313001.

It is an interprime number because it is at equal distance from previous prime (10031321203) and next prime (10031321221).

It is a super-2 number, since 2×10031321212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35698512 + ... + 35698792.

It is an arithmetic number, because the mean of its divisors is an integer number (209905290).

Almost surely, 2^10031321212 is an apocalyptic number.

It is an amenable number.

10031321212 is an abundant number, since it is smaller than the sum of its proper divisors (10119586628).

10031321212 is a wasteful number, since it uses less digits than its factorization.

10031321212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10031321212 its reverse (21212313001), we get a palindrome (31243634213).

The spelling of 10031321212 in words is "ten billion, thirty-one million, three hundred twenty-one thousand, two hundred twelve".