1220012020112 has 40 divisors (see below), whose sum is σ = 2394832554240. Its totient is φ = 601998059520.

The previous prime is 1220012020061. The next prime is 1220012020141. The reversal of 1220012020112 is 2110202100221.

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, 2442437 + ... + 2899227.

It is an arithmetic number, because the mean of its divisors is an integer number (59870813856).

Almost surely, 2^{1220012020112} is an apocalyptic number.

It is an amenable number.

1220012020112 is a deficient number, since it is larger than the sum of its proper divisors (1174820534128).

1220012020112 is a wasteful number, since it uses less digits than its factorization.

1220012020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458991 (or 458985 counting only the distinct ones).

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

Adding to 1220012020112 its reverse (2110202100221), we get a palindrome (3330214120333).

The spelling of 1220012020112 in words is "one trillion, two hundred twenty billion, twelve million, twenty thousand, one hundred twelve".