1200222232020 has 216 divisors, whose sum is σ = 4320583822464. Its totient is φ = 274336300224.

The previous prime is 1200222231979. The next prime is 1200222232031. The reversal of 1200222232020 is 202322220021.

1200222232020 is a `hidden beast` number, since 120 + 0 + 2 + 222 + 320 + 2 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1200222231984 and 1200222232002.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 265209 + ... + 1571871.

Almost surely, 2^{1200222232020} is an apocalyptic number.

1200222232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200222232020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2160291911232).

1200222232020 is an abundant number, since it is smaller than the sum of its proper divisors (3120361590444).

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

1200222232020 is an equidigital number, since it uses as much as digits as its factorization.

1200222232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306703 (or 1306680 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 1200222232020 its reverse (202322220021), we get a palindrome (1402544452041).

The spelling of 1200222232020 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred thirty-two thousand, twenty".