1220132021202 has 24 divisors (see below), whose sum is σ = 2686957404300. Its totient is φ = 400043285280.

The previous prime is 1220132021189. The next prime is 1220132021279. The reversal of 1220132021202 is 2021202310221.

1220132021202 is a `hidden beast` number, since 1 + 220 + 1 + 320 + 2 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1093553324361 + 126578696841 = 1045731^2 + 355779^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555614577 + ... + 555616772.

Almost surely, 2^{1220132021202} is an apocalyptic number.

1220132021202 is an abundant number, since it is smaller than the sum of its proper divisors (1466825383098).

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

1220132021202 is a wasteful number, since it uses less digits than its factorization.

1220132021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111231418 (or 1111231415 counting only the distinct ones).

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

Adding to 1220132021202 its reverse (2021202310221), we get a palindrome (3241334331423).

The spelling of 1220132021202 in words is "one trillion, two hundred twenty billion, one hundred thirty-two million, twenty-one thousand, two hundred two".