1200222011112 has 16 divisors (see below), whose sum is σ = 3000555027840. Its totient is φ = 400074003696.

The previous prime is 1200222011081. The next prime is 1200222011143. The reversal of 1200222011112 is 2111102220021.

It is an interprime number because it is at equal distance from previous prime (1200222011081) and next prime (1200222011143).

It is a junction number, because it is equal to n+sod(n) for n = 1200222011091 and 1200222011100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25004625208 + ... + 25004625255.

It is an arithmetic number, because the mean of its divisors is an integer number (187534689240).

Almost surely, 2^{1200222011112} is an apocalyptic number.

1200222011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1200222011112 is an abundant number, since it is smaller than the sum of its proper divisors (1800333016728).

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

1200222011112 is a wasteful number, since it uses less digits than its factorization.

1200222011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50009250472 (or 50009250468 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1200222011112 its reverse (2111102220021), we get a palindrome (3311324231133).

The spelling of 1200222011112 in words is "one trillion, two hundred billion, two hundred twenty-two million, eleven thousand, one hundred twelve".