201213521132 has 24 divisors (see below), whose sum is σ = 379352758176. Its totient is φ = 92832841728.

The previous prime is 201213521107. The next prime is 201213521141. The reversal of 201213521132 is 231125312102.

It is a super-2 number, since 2×201213521132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201213521098 and 201213521107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588053 + ... + 865004.

It is an arithmetic number, because the mean of its divisors is an integer number (15806364924).

Almost surely, 2^201213521132 is an apocalyptic number.

It is an amenable number.

201213521132 is a deficient number, since it is larger than the sum of its proper divisors (178139237044).

201213521132 is a wasteful number, since it uses less digits than its factorization.

201213521132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455737 (or 1455735 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 201213521132 its reverse (231125312102), we get a palindrome (432338833234).

The spelling of 201213521132 in words is "two hundred one billion, two hundred thirteen million, five hundred twenty-one thousand, one hundred thirty-two".