10513212106 has 8 divisors (see below), whose sum is σ = 15837500484. Its totient is φ = 5234045280.

The previous prime is 10513212103. The next prime is 10513212173. The reversal of 10513212106 is 60121231501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9508005081 + 1005207025 = 97509^2 + 31705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10513212106² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10513212103) 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, 11279805 + ... + 11280736.

Almost surely, 2^10513212106 is an apocalyptic number.

10513212106 is a deficient number, since it is larger than the sum of its proper divisors (5324288378).

10513212106 is a wasteful number, since it uses less digits than its factorization.

10513212106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560776.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 10513212106 its reverse (60121231501), we get a palindrome (70634443607).

The spelling of 10513212106 in words is "ten billion, five hundred thirteen million, two hundred twelve thousand, one hundred six".