129090869226352 has 20 divisors (see below), whose sum is σ = 272851155410616. Its totient is φ = 58677667830080.

The previous prime is 129090869226299. The next prime is 129090869226391. The reversal of 129090869226352 is 253622968090921.

It is a super-2 number, since 2×129090869226352² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366735423763 + ... + 366735424114.

Almost surely, 2^{129090869226352} is an apocalyptic number.

It is an amenable number.

129090869226352 is an abundant number, since it is smaller than the sum of its proper divisors (143760286184264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129090869226352 is a wasteful number, since it uses less digits than its factorization.

129090869226352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733470847896 (or 733470847890 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 129090869226352 in words is "one hundred twenty-nine trillion, ninety billion, eight hundred sixty-nine million, two hundred twenty-six thousand, three hundred fifty-two".