1220365610042 has 16 divisors (see below), whose sum is σ = 1890605256192. Its totient is φ = 590184834960.

The previous prime is 1220365610033. The next prime is 1220365610053. The reversal of 1220365610042 is 2400165630221.

It is a super-2 number, since 2×1220365610042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220365609990 and 1220365610008.

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, 5126918 + ... + 5359665.

It is an arithmetic number, because the mean of its divisors is an integer number (118162828512).

Almost surely, 2^{1220365610042} is an apocalyptic number.

1220365610042 is a deficient number, since it is larger than the sum of its proper divisors (670239646150).

1220365610042 is a wasteful number, since it uses less digits than its factorization.

1220365610042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488493.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 1220365610042 in words is "one trillion, two hundred twenty billion, three hundred sixty-five million, six hundred ten thousand, forty-two".