1222003403120 has 40 divisors (see below), whose sum is σ = 2855580070464. Its totient is φ = 486320129792.

The previous prime is 1222003403087. The next prime is 1222003403141. The reversal of 1222003403120 is 213043002221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1222003403120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1222003403092 and 1222003403101.

It is a congruent number.

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, 38753384 + ... + 38784903.

Almost surely, 2^{1222003403120} is an apocalyptic number.

1222003403120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222003403120 is an abundant number, since it is smaller than the sum of its proper divisors (1633576667344).

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

1222003403120 is a wasteful number, since it uses less digits than its factorization.

1222003403120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77538497 (or 77538491 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1222003403120 its reverse (213043002221), we get a palindrome (1435046405341).

The spelling of 1222003403120 in words is "one trillion, two hundred twenty-two billion, three million, four hundred three thousand, one hundred twenty".