1220010112012 has 12 divisors (see below), whose sum is σ = 2135035947016. Its totient is φ = 609999841440.

The previous prime is 1220010111997. The next prime is 1220010112033. The reversal of 1220010112012 is 2102110100221.

It is a junction number, because it is equal to n+sod(n) for n = 1220010111983 and 1220010112001.

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, 751218 + ... + 1733305.

Almost surely, 2^{1220010112012} is an apocalyptic number.

It is an amenable number.

1220010112012 is a deficient number, since it is larger than the sum of its proper divisors (915025835004).

1220010112012 is a wasteful number, since it uses less digits than its factorization.

1220010112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2607288 (or 2607286 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220010112012 its reverse (2102110100221), we get a palindrome (3322120212233).

The spelling of 1220010112012 in words is "one trillion, two hundred twenty billion, ten million, one hundred twelve thousand, twelve".