1200100020022 has 16 divisors (see below), whose sum is σ = 1806466476240. Its totient is φ = 597947277312.

The previous prime is 1200100020011. The next prime is 1200100020037. The reversal of 1200100020022 is 2200200010021.

It is a junction number, because it is equal to n+sod(n) for n = 1200100019990 and 1200100020008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187398 + ... + 1560550.

It is an arithmetic number, because the mean of its divisors is an integer number (112904154765).

Almost surely, 2^{1200100020022} is an apocalyptic number.

1200100020022 is a deficient number, since it is larger than the sum of its proper divisors (606366456218).

1200100020022 is a wasteful number, since it uses less digits than its factorization.

1200100020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374687.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1200100020022 its reverse (2200200010021), we get a palindrome (3400300030043).

The spelling of 1200100020022 in words is "one trillion, two hundred billion, one hundred million, twenty thousand, twenty-two".