10102001012 has 12 divisors (see below), whose sum is σ = 17853537156. Its totient is φ = 5000990400.

The previous prime is 10102000939. The next prime is 10102001017. The reversal of 10102001012 is 21010020101.

It can be written as a sum of positive squares in 2 ways, for example, as 8670589456 + 1431411556 = 93116^2 + 37834^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102001017) 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, 12502073 + ... + 12502880.

It is an arithmetic number, because the mean of its divisors is an integer number (1487794763).

Almost surely, 2^10102001012 is an apocalyptic number.

It is an amenable number.

10102001012 is a deficient number, since it is larger than the sum of its proper divisors (7751536144).

10102001012 is a wasteful number, since it uses less digits than its factorization.

10102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25005058 (or 25005056 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10102001012 its reverse (21010020101), we get a palindrome (31112021113).

The spelling of 10102001012 in words is "ten billion, one hundred two million, one thousand, twelve".