1212012002 has 24 divisors (see below), whose sum is σ = 1906390080. Its totient is φ = 577862120.

The previous prime is 1212012001. The next prime is 1212012007. The reversal of 1212012002 is 2002102121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212012001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378227 + ... + 381417.

It is an arithmetic number, because the mean of its divisors is an integer number (79432920).

Almost surely, 2^1212012002 is an apocalyptic number.

1212012002 is a deficient number, since it is larger than the sum of its proper divisors (694378078).

1212012002 is a wasteful number, since it uses less digits than its factorization.

1212012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598 (or 3575 counting only the distinct ones).

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

The square root of 1212012002 is about 34813.9627448528. The cubic root of 1212012002 is about 1066.1925416084.

Adding to 1212012002 its reverse (2002102121), we get a palindrome (3214114123).

The spelling of 1212012002 in words is "one billion, two hundred twelve million, twelve thousand, two".