13012111010 has 32 divisors (see below), whose sum is σ = 23608411632. Its totient is φ = 5163540480.

The previous prime is 13012110997. The next prime is 13012111033. The reversal of 13012111010 is 1011121031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2507705929 + 10504405081 = 50077^2 + 102491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13012110982 and 13012111000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635330 + ... + 655490.

Almost surely, 2^13012111010 is an apocalyptic number.

13012111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012111010 is a deficient number, since it is larger than the sum of its proper divisors (10596300622).

13012111010 is a wasteful number, since it uses less digits than its factorization.

13012111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20678.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 13012111010 its reverse (1011121031), we get a palindrome (14023232041).

The spelling of 13012111010 in words is "thirteen billion, twelve million, one hundred eleven thousand, ten".