201202122129 has 8 divisors (see below), whose sum is σ = 268282117152. Its totient is φ = 134128437600.

The previous prime is 201202122127. The next prime is 201202122139. The reversal of 201202122129 is 921221202102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201202122129 - 2¹ = 201202122127 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 201202122099 and 201202122108.

It is not an unprimeable number, because it can be changed into a prime (201202122127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1502719 + ... + 1631124.

It is an arithmetic number, because the mean of its divisors is an integer number (33535264644).

Almost surely, 2^201202122129 is an apocalyptic number.

It is an amenable number.

201202122129 is a deficient number, since it is larger than the sum of its proper divisors (67079995023).

201202122129 is a wasteful number, since it uses less digits than its factorization.

201202122129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155247.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 201202122129 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-nine".