1220403134043 has 12 divisors (see below), whose sum is σ = 1855583712840. Its totient is φ = 770780926656.

The previous prime is 1220403133991. The next prime is 1220403134057. The reversal of 1220403134043 is 3404313040221.

1220403134043 is a `hidden beast` number, since 1 + 220 + 4 + 0 + 31 + 3 + 404 + 3 = 666.

It is not a de Polignac number, because 1220403134043 - 2⁹ = 1220403133531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220403133998 and 1220403134016.

It is not an unprimeable number, because it can be changed into a prime (1220403134143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3568430046 + ... + 3568430387.

It is an arithmetic number, because the mean of its divisors is an integer number (154631976070).

Almost surely, 2^{1220403134043} is an apocalyptic number.

1220403134043 is a deficient number, since it is larger than the sum of its proper divisors (635180578797).

1220403134043 is a wasteful number, since it uses less digits than its factorization.

1220403134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136860458 (or 7136860455 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1220403134043 its reverse (3404313040221), we get a palindrome (4624716174264).

The spelling of 1220403134043 in words is "one trillion, two hundred twenty billion, four hundred three million, one hundred thirty-four thousand, forty-three".