1216467030 has 16 divisors (see below), whose sum is σ = 2919520944. Its totient is φ = 324391200.

The previous prime is 1216467013. The next prime is 1216467059. The reversal of 1216467030 is 307646121.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 40548901 = 1216467030 / (1 + 2 + 1 + 6 + 4 + 6 + 7 + 0 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20274421 + ... + 20274480.

It is an arithmetic number, because the mean of its divisors is an integer number (182470059).

Almost surely, 2^1216467030 is an apocalyptic number.

1216467030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216467030 is an abundant number, since it is smaller than the sum of its proper divisors (1703053914).

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

1216467030 is a wasteful number, since it uses less digits than its factorization.

1216467030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40548911.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 1216467030 is about 34877.8874073531. The cubic root of 1216467030 is about 1067.4972893254.

The spelling of 1216467030 in words is "one billion, two hundred sixteen million, four hundred sixty-seven thousand, thirty".