1222240120042 has 16 divisors (see below), whose sum is σ = 1864995749280. Its totient is φ = 600581111152.

The previous prime is 1222240120021. The next prime is 1222240120063. The reversal of 1222240120042 is 2400210422221.

It is an interprime number because it is at equal distance from previous prime (1222240120021) and next prime (1222240120063).

It is a super-2 number, since 2×1222240120042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1222240119995 and 1222240120022.

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, 1166413 + ... + 1950640.

It is an arithmetic number, because the mean of its divisors is an integer number (116562234330).

Almost surely, 2^{1222240120042} is an apocalyptic number.

1222240120042 is a deficient number, since it is larger than the sum of its proper divisors (642755629238).

1222240120042 is a wasteful number, since it uses less digits than its factorization.

1222240120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120437.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 1222240120042 its reverse (2400210422221), we get a palindrome (3622450542263).

The spelling of 1222240120042 in words is "one trillion, two hundred twenty-two billion, two hundred forty million, one hundred twenty thousand, forty-two".