1220002003442 has 16 divisors (see below), whose sum is σ = 1859829917280. Its totient is φ = 600083339328.

The previous prime is 1220002003417. The next prime is 1220002003489. The reversal of 1220002003442 is 2443002000221.

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, 6060983 + ... + 6259034.

It is an arithmetic number, because the mean of its divisors is an integer number (116239369830).

Almost surely, 2^{1220002003442} is an apocalyptic number.

1220002003442 is a deficient number, since it is larger than the sum of its proper divisors (639827913838).

1220002003442 is a wasteful number, since it uses less digits than its factorization.

1220002003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320825.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1220002003442 its reverse (2443002000221), we get a palindrome (3663004003663).

The spelling of 1220002003442 in words is "one trillion, two hundred twenty billion, two million, three thousand, four hundred forty-two".