10120402010 has 16 divisors (see below), whose sum is σ = 18240303816. Its totient is φ = 4042920768.

The previous prime is 10120402007. The next prime is 10120402013. The reversal of 10120402010 is 1020402101.

It is an interprime number because it is at equal distance from previous prime (10120402007) and next prime (10120402013).

It can be written as a sum of positive squares in 4 ways, for example, as 7799185969 + 2321216041 = 88313^2 + 48179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10120401982 and 10120402000.

It is not an unprimeable number, because it can be changed into a prime (10120402013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646889 + ... + 662348.

Almost surely, 2^10120402010 is an apocalyptic number.

10120402010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10120402010 is a deficient number, since it is larger than the sum of its proper divisors (8119901806).

10120402010 is a wasteful number, since it uses less digits than its factorization.

10120402010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310017.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10120402010 its reverse (1020402101), we get a palindrome (11140804111).

Subtracting from 10120402010 its reverse (1020402101), we obtain a palindrome (9099999909).

The spelling of 10120402010 in words is "ten billion, one hundred twenty million, four hundred two thousand, ten".