1216001350 has 36 divisors (see below), whose sum is σ = 2337168492. Its totient is φ = 470691600.

The previous prime is 1216001327. The next prime is 1216001401. The reversal of 1216001350 is 531006121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35397 + ... + 60703.

It is an arithmetic number, because the mean of its divisors is an integer number (64921347).

Almost surely, 2^1216001350 is an apocalyptic number.

1216001350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1216001350 is a deficient number, since it is larger than the sum of its proper divisors (1121167142).

1216001350 is a wasteful number, since it uses less digits than its factorization.

1216001350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25381 (or 25345 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1216001350 is about 34871.2109052726. The cubic root of 1216001350 is about 1067.3610544823.

Adding to 1216001350 its reverse (531006121), we get a palindrome (1747007471).

The spelling of 1216001350 in words is "one billion, two hundred sixteen million, one thousand, three hundred fifty".