1223122002 has 32 divisors (see below), whose sum is σ = 2471686272. Its totient is φ = 403488384.

The previous prime is 1223121997. The next prime is 1223122007. The reversal of 1223122002 is 2002213221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1223121997) and next prime (1223122007).

It is not an unprimeable number, because it can be changed into a prime (1223122007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245278 + ... + 250214.

It is an arithmetic number, because the mean of its divisors is an integer number (77240196).

Almost surely, 2^1223122002 is an apocalyptic number.

1223122002 is an abundant number, since it is smaller than the sum of its proper divisors (1248564270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223122002 is a wasteful number, since it uses less digits than its factorization.

1223122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1223122002 is about 34973.1611668148. The cubic root of 1223122002 is about 1069.4404160522.

Adding to 1223122002 its reverse (2002213221), we get a palindrome (3225335223).

The spelling of 1223122002 in words is "one billion, two hundred twenty-three million, one hundred twenty-two thousand, two".