1230221342 has 12 divisors (see below), whose sum is σ = 2146610880. Its totient is φ = 527237676.

The previous prime is 1230221341. The next prime is 1230221353. The reversal of 1230221342 is 2431220321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230221341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6276542 + ... + 6276737.

It is an arithmetic number, because the mean of its divisors is an integer number (178884240).

Almost surely, 2^1230221342 is an apocalyptic number.

1230221342 is a deficient number, since it is larger than the sum of its proper divisors (916389538).

1230221342 is a wasteful number, since it uses less digits than its factorization.

1230221342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12553295 (or 12553288 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1230221342 is about 35074.5112866879. The cubic root of 1230221342 is about 1071.5055354711.

Adding to 1230221342 its reverse (2431220321), we get a palindrome (3661441663).

The spelling of 1230221342 in words is "one billion, two hundred thirty million, two hundred twenty-one thousand, three hundred forty-two".