1220132011302 has 24 divisors (see below), whose sum is σ = 2715068531136. Its totient is φ = 395718489936.

The previous prime is 1220132011211. The next prime is 1220132011303. The reversal of 1220132011302 is 2031102310221.

1220132011302 is a `hidden beast` number, since 1 + 220 + 132 + 0 + 11 + 302 = 666.

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 (1220132011303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 916014358 + ... + 916015689.

It is an arithmetic number, because the mean of its divisors is an integer number (113127855464).

Almost surely, 2^{1220132011302} is an apocalyptic number.

1220132011302 is an abundant number, since it is smaller than the sum of its proper divisors (1494936519834).

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

1220132011302 is a wasteful number, since it uses less digits than its factorization.

1220132011302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832030092 (or 1832030089 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1220132011302 its reverse (2031102310221), we get a palindrome (3251234321523).

The spelling of 1220132011302 in words is "one trillion, two hundred twenty billion, one hundred thirty-two million, eleven thousand, three hundred two".