1217036012 has 12 divisors (see below), whose sum is σ = 2149353360. Its totient is φ = 602935056.

The previous prime is 1217036003. The next prime is 1217036021. The reversal of 1217036012 is 2106307121.

It is an interprime number because it is at equal distance from previous prime (1217036003) and next prime (1217036021).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395248 + ... + 1396119.

It is an arithmetic number, because the mean of its divisors is an integer number (179112780).

Almost surely, 2^1217036012 is an apocalyptic number.

It is an amenable number.

1217036012 is a deficient number, since it is larger than the sum of its proper divisors (932317348).

1217036012 is a wasteful number, since it uses less digits than its factorization.

1217036012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791480 (or 2791478 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1217036012 is about 34886.0432264824. The cubic root of 1217036012 is about 1067.6636980193.

The spelling of 1217036012 in words is "one billion, two hundred seventeen million, thirty-six thousand, twelve".