201224121332 has 48 divisors (see below), whose sum is σ = 403999229760. Its totient is φ = 86924544768.

The previous prime is 201224121331. The next prime is 201224121341. The reversal of 201224121332 is 233121422102.

It is a super-2 number, since 2×201224121332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201224121298 and 201224121307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201224121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1144913 + ... + 1308920.

It is an arithmetic number, because the mean of its divisors is an integer number (8416650620).

Almost surely, 2^201224121332 is an apocalyptic number.

It is an amenable number.

201224121332 is an abundant number, since it is smaller than the sum of its proper divisors (202775108428).

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

201224121332 is a wasteful number, since it uses less digits than its factorization.

201224121332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453952 (or 2453950 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 201224121332 its reverse (233121422102), we get a palindrome (434345543434).

The spelling of 201224121332 in words is "two hundred one billion, two hundred twenty-four million, one hundred twenty-one thousand, three hundred thirty-two".