129260262452 has 48 divisors (see below), whose sum is σ = 241189885440. Its totient is φ = 60440906592.

The previous prime is 129260262449. The next prime is 129260262457. The reversal of 129260262452 is 254262062921.

129260262452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129260262457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273273 + ... + 2329439.

It is an arithmetic number, because the mean of its divisors is an integer number (5024789280).

Almost surely, 2^129260262452 is an apocalyptic number.

It is an amenable number.

129260262452 is a deficient number, since it is larger than the sum of its proper divisors (111929622988).

129260262452 is a wasteful number, since it uses less digits than its factorization.

129260262452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56580 (or 56578 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 129260262452 in words is "one hundred twenty-nine billion, two hundred sixty million, two hundred sixty-two thousand, four hundred fifty-two".