10102102312 has 16 divisors (see below), whose sum is σ = 19298828340. Its totient is φ = 4955748096.

The previous prime is 10102102249. The next prime is 10102102313. The reversal of 10102102312 is 21320120101.

It can be written as a sum of positive squares in 2 ways, for example, as 9511320676 + 590781636 = 97526^2 + 24306^2 .

It is a super-2 number, since 2×10102102312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10102102292 and 10102102301.

It is not an unprimeable number, because it can be changed into a prime (10102102313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11912433 + ... + 11913280.

Almost surely, 2^10102102312 is an apocalyptic number.

It is an amenable number.

10102102312 is a deficient number, since it is larger than the sum of its proper divisors (9196726028).

10102102312 is a wasteful number, since it uses less digits than its factorization.

10102102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23825772 (or 23825768 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10102102312 its reverse (21320120101), we get a palindrome (31422222413).

The spelling of 10102102312 in words is "ten billion, one hundred two million, one hundred two thousand, three hundred twelve".