1220423241134 has 4 divisors (see below), whose sum is σ = 1830634861704. Its totient is φ = 610211620566.

The previous prime is 1220423241071. The next prime is 1220423241229. The reversal of 1220423241134 is 4311423240221.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1220423241097 and 1220423241106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305105810282 + ... + 305105810285.

It is an arithmetic number, because the mean of its divisors is an integer number (457658715426).

Almost surely, 2^{1220423241134} is an apocalyptic number.

1220423241134 is a deficient number, since it is larger than the sum of its proper divisors (610211620570).

1220423241134 is an equidigital number, since it uses as much as digits as its factorization.

1220423241134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610211620569.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1220423241134 its reverse (4311423240221), we get a palindrome (5531846481355).

The spelling of 1220423241134 in words is "one trillion, two hundred twenty billion, four hundred twenty-three million, two hundred forty-one thousand, one hundred thirty-four".