1220213411042 has 16 divisors (see below), whose sum is σ = 1861928208000. Its totient is φ = 599577183120.

The previous prime is 1220213411033. The next prime is 1220213411107. The reversal of 1220213411042 is 2401143120221.

It is a junction number, because it is equal to n+sod(n) for n = 1220213410999 and 1220213411017.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1250042 + ... + 2000757.

It is an arithmetic number, because the mean of its divisors is an integer number (116370513000).

Almost surely, 2^{1220213411042} is an apocalyptic number.

1220213411042 is a deficient number, since it is larger than the sum of its proper divisors (641714796958).

1220213411042 is a wasteful number, since it uses less digits than its factorization.

1220213411042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254041.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1220213411042 its reverse (2401143120221), we get a palindrome (3621356531263).

The spelling of 1220213411042 in words is "one trillion, two hundred twenty billion, two hundred thirteen million, four hundred eleven thousand, forty-two".