1222200110112 has 48 divisors (see below), whose sum is σ = 3208397844960. Its totient is φ = 407384474112.

The previous prime is 1222200110081. The next prime is 1222200110113. The reversal of 1222200110112 is 2110110022221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1222200110091 and 1222200110100.

It is not an unprimeable number, because it can be changed into a prime (1222200110113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435964 + ... + 2894532.

It is an arithmetic number, because the mean of its divisors is an integer number (66841621770).

Almost surely, 2^{1222200110112} is an apocalyptic number.

1222200110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222200110112 is an abundant number, since it is smaller than the sum of its proper divisors (1986197734848).

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

1222200110112 is a wasteful number, since it uses less digits than its factorization.

1222200110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486345 (or 486337 counting only the distinct ones).

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

Adding to 1222200110112 its reverse (2110110022221), we get a palindrome (3332310132333).

The spelling of 1222200110112 in words is "one trillion, two hundred twenty-two billion, two hundred million, one hundred ten thousand, one hundred twelve".