1200222210020 has 48 divisors (see below), whose sum is σ = 2525222880768. Its totient is φ = 479183402880.

The previous prime is 1200222209983. The next prime is 1200222210059. The reversal of 1200222210020 is 200122220021.

It is a junction number, because it is equal to n+sod(n) for n = 1200222209977 and 1200222210004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48233822 + ... + 48258698.

It is an arithmetic number, because the mean of its divisors is an integer number (52608810016).

Almost surely, 2^{1200222210020} is an apocalyptic number.

1200222210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200222210020 is an abundant number, since it is smaller than the sum of its proper divisors (1325000670748).

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

1200222210020 is a wasteful number, since it uses less digits than its factorization.

1200222210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29340 (or 29338 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1200222210020 its reverse (200122220021), we get a palindrome (1400344430041).

The spelling of 1200222210020 in words is "one trillion, two hundred billion, two hundred twenty-two million, two hundred ten thousand, twenty".