129670002197 has 2 divisors, whose sum is σ = 129670002198. Its totient is φ = 129670002196.

The previous prime is 129670002167. The next prime is 129670002227. The reversal of 129670002197 is 791200076921.

It is a balanced prime because it is at equal distance from previous prime (129670002167) and next prime (129670002227).

It can be written as a sum of positive squares in only one way, i.e., 129028950436 + 641051761 = 359206^2 + 25319^2 .

It is a cyclic number.

It is not a de Polignac number, because 129670002197 - 2²⁰ = 129668953621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129670002167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64835001098 + 64835001099.

It is an arithmetic number, because the mean of its divisors is an integer number (64835001099).

Almost surely, 2^129670002197 is an apocalyptic number.

It is an amenable number.

129670002197 is a deficient number, since it is larger than the sum of its proper divisors (1).

129670002197 is an equidigital number, since it uses as much as digits as its factorization.

129670002197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 44.

The spelling of 129670002197 in words is "one hundred twenty-nine billion, six hundred seventy million, two thousand, one hundred ninety-seven".