1220023210442 has 8 divisors (see below), whose sum is σ = 1926352437600. Its totient is φ = 577905731244.

The previous prime is 1220023210391. The next prime is 1220023210463. The reversal of 1220023210442 is 2440123200221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1220023210442⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16052936942 + ... + 16052937017.

It is an arithmetic number, because the mean of its divisors is an integer number (240794054700).

Almost surely, 2^{1220023210442} is an apocalyptic number.

1220023210442 is a deficient number, since it is larger than the sum of its proper divisors (706329227158).

1220023210442 is a wasteful number, since it uses less digits than its factorization.

1220023210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32105873980.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1220023210442 its reverse (2440123200221), we get a palindrome (3660146410663).

The spelling of 1220023210442 in words is "one trillion, two hundred twenty billion, twenty-three million, two hundred ten thousand, four hundred forty-two".