1220010012003 has 16 divisors (see below), whose sum is σ = 1643072138496. Its totient is φ = 805154961120.

The previous prime is 1220010011999. The next prime is 1220010012029. The reversal of 1220010012003 is 3002100100221.

It is not a de Polignac number, because 1220010012003 - 2² = 1220010011999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220010012003.

It is not an unprimeable number, because it can be changed into a prime (1220010012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932751 + ... + 1819352.

It is an arithmetic number, because the mean of its divisors is an integer number (102692008656).

Almost surely, 2^{1220010012003} is an apocalyptic number.

1220010012003 is a deficient number, since it is larger than the sum of its proper divisors (423062126493).

1220010012003 is a wasteful number, since it uses less digits than its factorization.

1220010012003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753594.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1220010012003 its reverse (3002100100221), we get a palindrome (4222110112224).

The spelling of 1220010012003 in words is "one trillion, two hundred twenty billion, ten million, twelve thousand, three".