1223101144042 has 8 divisors (see below), whose sum is σ = 1834856434656. Its totient is φ = 611482332492.

The previous prime is 1223101144009. The next prime is 1223101144043. The reversal of 1223101144042 is 2404411013221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1223101143998 and 1223101144016.

It is not an unprimeable number, because it can be changed into a prime (1223101144043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34097358 + ... + 34133209.

It is an arithmetic number, because the mean of its divisors is an integer number (229357054332).

Almost surely, 2^{1223101144042} is an apocalyptic number.

1223101144042 is a deficient number, since it is larger than the sum of its proper divisors (611755290614).

1223101144042 is an equidigital number, since it uses as much as digits as its factorization.

1223101144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68239532.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1223101144042 its reverse (2404411013221), we get a palindrome (3627512157263).

The spelling of 1223101144042 in words is "one trillion, two hundred twenty-three billion, one hundred one million, one hundred forty-four thousand, forty-two".