1200231322 has 16 divisors (see below), whose sum is σ = 1835488512. Its totient is φ = 588416400.

The previous prime is 1200231281. The next prime is 1200231413. The reversal of 1200231322 is 2231320021.

It is a junction number, because it is equal to n+sod(n) for n = 1200231296 and 1200231305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239947 + ... + 244897.

It is an arithmetic number, because the mean of its divisors is an integer number (114718032).

Almost surely, 2^1200231322 is an apocalyptic number.

1200231322 is a deficient number, since it is larger than the sum of its proper divisors (635257190).

1200231322 is a wasteful number, since it uses less digits than its factorization.

1200231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1200231322 is about 34644.3548359614. The cubic root of 1200231322 is about 1062.7268471026.

Adding to 1200231322 its reverse (2231320021), we get a palindrome (3431551343).

The spelling of 1200231322 in words is "one billion, two hundred million, two hundred thirty-one thousand, three hundred twenty-two".