1212550368 has 96 divisors (see below), whose sum is σ = 3355914240. Its totient is φ = 382778880.

The previous prime is 1212550327. The next prime is 1212550373. The reversal of 1212550368 is 8630552121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135538 + ... + 144206.

It is an arithmetic number, because the mean of its divisors is an integer number (34957440).

Almost surely, 2^1212550368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212550368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677957120).

1212550368 is an abundant number, since it is smaller than the sum of its proper divisors (2143363872).

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

1212550368 is a wasteful number, since it uses less digits than its factorization.

1212550368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8760 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1212550368 is about 34821.6939277801. The cubic root of 1212550368 is about 1066.3503829622.

The spelling of 1212550368 in words is "one billion, two hundred twelve million, five hundred fifty thousand, three hundred sixty-eight".