201202122132 has 72 divisors (see below), whose sum is σ = 557735173632. Its totient is φ = 60651100800.

The previous prime is 201202122127. The next prime is 201202122139. The reversal of 201202122132 is 231221202102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201202122139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1254433 + ... + 1405704.

It is an arithmetic number, because the mean of its divisors is an integer number (7746321856).

Almost surely, 2^201202122132 is an apocalyptic number.

201202122132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201202122132 is an abundant number, since it is smaller than the sum of its proper divisors (356533051500).

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

201202122132 is a wasteful number, since it uses less digits than its factorization.

201202122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660349 (or 2660344 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201202122132 its reverse (231221202102), we get a palindrome (432423324234).

The spelling of 201202122132 in words is "two hundred one billion, two hundred two million, one hundred twenty-two thousand, one hundred thirty-two".