129412225106 has 16 divisors (see below), whose sum is σ = 198980098560. Its totient is φ = 63095686560.

The previous prime is 129412225081. The next prime is 129412225177. The reversal of 129412225106 is 601522214921.

It is a super-2 number, since 2×129412225106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2514611 + ... + 2565558.

It is an arithmetic number, because the mean of its divisors is an integer number (12436256160).

Almost surely, 2^129412225106 is an apocalyptic number.

129412225106 is a deficient number, since it is larger than the sum of its proper divisors (69567873454).

129412225106 is a wasteful number, since it uses less digits than its factorization.

129412225106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080489.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 129412225106 in words is "one hundred twenty-nine billion, four hundred twelve million, two hundred twenty-five thousand, one hundred six".