1122012002 has 8 divisors (see below), whose sum is σ = 1782019116. Its totient is φ = 528005632.

The previous prime is 1122011983. The next prime is 1122012007. The reversal of 1122012002 is 2002102211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1120843441 + 1168561 = 33479^2 + 1081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1122012007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16500143 + ... + 16500210.

Almost surely, 2^1122012002 is an apocalyptic number.

1122012002 is a deficient number, since it is larger than the sum of its proper divisors (660007114).

1122012002 is a wasteful number, since it uses less digits than its factorization.

1122012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000372.

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

The square root of 1122012002 is about 33496.4476026936. The cubic root of 1122012002 is about 1039.1203119655.

Adding to 1122012002 its reverse (2002102211), we get a palindrome (3124114213).

The spelling of 1122012002 in words is "one billion, one hundred twenty-two million, twelve thousand, two".