1122002012 has 6 divisors (see below), whose sum is σ = 1963503528. Its totient is φ = 561001004.

The previous prime is 1122002009. The next prime is 1122002017. The reversal of 1122002012 is 2102002211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122001984 and 1122002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122002017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140250248 + ... + 140250255.

It is an arithmetic number, because the mean of its divisors is an integer number (327250588).

Almost surely, 2^1122002012 is an apocalyptic number.

It is an amenable number.

1122002012 is a deficient number, since it is larger than the sum of its proper divisors (841501516).

1122002012 is a wasteful number, since it uses less digits than its factorization.

1122002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280500507 (or 280500505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122002012 is about 33496.2984820711. The cubic root of 1122002012 is about 1039.1172279691.

Adding to 1122002012 its reverse (2102002211), we get a palindrome (3224004223).

The spelling of 1122002012 in words is "one billion, one hundred twenty-two million, two thousand, twelve".