129859362101 has 4 divisors (see below), whose sum is σ = 148410699552. Its totient is φ = 111308024652.

The previous prime is 129859362077. The next prime is 129859362151. The reversal of 129859362101 is 101263958921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101263958921 = 89123 ⋅1136227.

It is a cyclic number.

It is not a de Polignac number, because 129859362101 - 2¹⁰ = 129859361077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129859362151) 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, 9275668715 + ... + 9275668728.

It is an arithmetic number, because the mean of its divisors is an integer number (37102674888).

Almost surely, 2^129859362101 is an apocalyptic number.

It is an amenable number.

129859362101 is a deficient number, since it is larger than the sum of its proper divisors (18551337451).

129859362101 is an equidigital number, since it uses as much as digits as its factorization.

129859362101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551337450.

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 129859362101 in words is "one hundred twenty-nine billion, eight hundred fifty-nine million, three hundred sixty-two thousand, one hundred one".