1231222034 has 16 divisors (see below), whose sum is σ = 2115484800. Its totient is φ = 526461984.

The previous prime is 1231222007. The next prime is 1231222037. The reversal of 1231222034 is 4302221321.

It is a junction number, because it is equal to n+sod(n) for n = 1231221997 and 1231222015.

It is not an unprimeable number, because it can be changed into a prime (1231222037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94019 + ... + 106310.

It is an arithmetic number, because the mean of its divisors is an integer number (132217800).

Almost surely, 2^1231222034 is an apocalyptic number.

1231222034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231222034 is a deficient number, since it is larger than the sum of its proper divisors (884262766).

1231222034 is a wasteful number, since it uses less digits than its factorization.

1231222034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200777.

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

The square root of 1231222034 is about 35088.7736177827. The cubic root of 1231222034 is about 1071.7959862979.

Adding to 1231222034 its reverse (4302221321), we get a palindrome (5533443355).

The spelling of 1231222034 in words is "one billion, two hundred thirty-one million, two hundred twenty-two thousand, thirty-four".