129090313202 has 4 divisors (see below), whose sum is σ = 193635469806. Its totient is φ = 64545156600.

The previous prime is 129090313169. The next prime is 129090313237. The reversal of 129090313202 is 202313090921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 202313090921 = 1021 ⋅198151901.

It can be written as a sum of positive squares in only one way, i.e., 129090022681 + 290521 = 359291^2 + 539^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32272578299 + ... + 32272578302.

Almost surely, 2^129090313202 is an apocalyptic number.

129090313202 is a deficient number, since it is larger than the sum of its proper divisors (64545156604).

129090313202 is an equidigital number, since it uses as much as digits as its factorization.

129090313202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64545156603.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 129090313202 in words is "one hundred twenty-nine billion, ninety million, three hundred thirteen thousand, two hundred two".