1220010121112 has 16 divisors (see below), whose sum is σ = 2287531878840. Its totient is φ = 610001620096.

The previous prime is 1220010121111. The next prime is 1220010121147. The reversal of 1220010121112 is 2111210100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010121111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1694288 + ... + 2304480.

Almost surely, 2^{1220010121112} is an apocalyptic number.

It is an amenable number.

1220010121112 is a deficient number, since it is larger than the sum of its proper divisors (1067521757728).

1220010121112 is a wasteful number, since it uses less digits than its factorization.

1220010121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860122 (or 860118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220010121112 its reverse (2111210100221), we get a palindrome (3331220221333).

The spelling of 1220010121112 in words is "one trillion, two hundred twenty billion, ten million, one hundred twenty-one thousand, one hundred twelve".