201202122126 has 16 divisors (see below), whose sum is σ = 408071910528. Its totient is φ = 66122763000.

The previous prime is 201202122109. The next prime is 201202122127. The reversal of 201202122126 is 621221202102.

It is a congruent number.

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, 236152300 + ... + 236153151.

It is an arithmetic number, because the mean of its divisors is an integer number (25504494408).

Almost surely, 2^201202122126 is an apocalyptic number.

201202122126 is an abundant number, since it is smaller than the sum of its proper divisors (206869788402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201202122126 is a wasteful number, since it uses less digits than its factorization.

201202122126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472305527.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 201202122126 its reverse (621221202102), we get a palindrome (822423324228).

The spelling of 201202122126 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-six".