1230512222 has 4 divisors (see below), whose sum is σ = 1845768336. Its totient is φ = 615256110.

The previous prime is 1230512197. The next prime is 1230512249. The reversal of 1230512222 is 2222150321.

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 = 1230512194 and 1230512203.

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, 307628054 + ... + 307628057.

It is an arithmetic number, because the mean of its divisors is an integer number (461442084).

Almost surely, 2^1230512222 is an apocalyptic number.

1230512222 is a deficient number, since it is larger than the sum of its proper divisors (615256114).

1230512222 is an equidigital number, since it uses as much as digits as its factorization.

1230512222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615256113.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1230512222 is about 35078.6576425039. The cubic root of 1230512222 is about 1071.5899796161.

Adding to 1230512222 its reverse (2222150321), we get a palindrome (3452662543).

The spelling of 1230512222 in words is "one billion, two hundred thirty million, five hundred twelve thousand, two hundred twenty-two".