1212834016 has 24 divisors (see below), whose sum is σ = 2389088520. Its totient is φ = 606081408.

The previous prime is 1212834001. The next prime is 1212834017. The reversal of 1212834016 is 6104382121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212834017) 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, 54415 + ... + 73393.

It is an arithmetic number, because the mean of its divisors is an integer number (99545355).

Almost surely, 2^1212834016 is an apocalyptic number.

1212834016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1212834016 is a deficient number, since it is larger than the sum of its proper divisors (1176254504).

1212834016 is a wasteful number, since it uses less digits than its factorization.

1212834016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20986 (or 20978 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1212834016 is about 34825.7665529418. The cubic root of 1212834016 is about 1066.4335257823.

The spelling of 1212834016 in words is "one billion, two hundred twelve million, eight hundred thirty-four thousand, sixteen".