1220201132 has 12 divisors (see below), whose sum is σ = 2164603896. Its totient is φ = 601742880.

The previous prime is 1220201131. The next prime is 1220201149. The reversal of 1220201132 is 2311020221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220201131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089094 + ... + 2089677.

It is an arithmetic number, because the mean of its divisors is an integer number (180383658).

Almost surely, 2^1220201132 is an apocalyptic number.

It is an amenable number.

1220201132 is a deficient number, since it is larger than the sum of its proper divisors (944402764).

1220201132 is a wasteful number, since it uses less digits than its factorization.

1220201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178848 (or 4178846 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1220201132 is about 34931.3774706924. The cubic root of 1220201132 is about 1068.5884470102.

Adding to 1220201132 its reverse (2311020221), we get a palindrome (3531221353).

The spelling of 1220201132 in words is "one billion, two hundred twenty million, two hundred one thousand, one hundred thirty-two".