1200102220112 has 20 divisors (see below), whose sum is σ = 2351323875060. Its totient is φ = 593308962048.

The previous prime is 1200102220111. The next prime is 1200102220147. The reversal of 1200102220112 is 2110222010021.

It can be written as a sum of positive squares in 2 ways, for example, as 664459740736 + 535642479376 = 815144^2 + 731876^2 .

It is a super-3 number, since 3×1200102220112³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200102220111) 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 3 ways as a sum of consecutive naturals, for example, 421382783 + ... + 421385630.

It is an arithmetic number, because the mean of its divisors is an integer number (117566193753).

Almost surely, 2^{1200102220112} is an apocalyptic number.

It is an amenable number.

1200102220112 is a deficient number, since it is larger than the sum of its proper divisors (1151221654948).

1200102220112 is an equidigital number, since it uses as much as digits as its factorization.

1200102220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842768510 (or 842768504 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200102220112 its reverse (2110222010021), we get a palindrome (3310324230133).

The spelling of 1200102220112 in words is "one trillion, two hundred billion, one hundred two million, two hundred twenty thousand, one hundred twelve".