1220002002112 has 56 divisors (see below), whose sum is σ = 2477675412432. Its totient is φ = 595710796800.

The previous prime is 1220002002059. The next prime is 1220002002133. The reversal of 1220002002112 is 2112002000221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220002002092 and 1220002002101.

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, 17084562 + ... + 17155822.

Almost surely, 2^{1220002002112} is an apocalyptic number.

It is an amenable number.

1220002002112 is an abundant number, since it is smaller than the sum of its proper divisors (1257673410320).

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

1220002002112 is an equidigital number, since it uses as much as digits as its factorization.

1220002002112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77537 (or 77527 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220002002112 its reverse (2112002000221), we get a palindrome (3332004002333).

The spelling of 1220002002112 in words is "one trillion, two hundred twenty billion, two million, two thousand, one hundred twelve".