1216001414 has 4 divisors (see below), whose sum is σ = 1824002124. Its totient is φ = 608000706.

The previous prime is 1216001401. The next prime is 1216001431. The reversal of 1216001414 is 4141006121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304000352 + ... + 304000355.

It is an arithmetic number, because the mean of its divisors is an integer number (456000531).

Almost surely, 2^1216001414 is an apocalyptic number.

1216001414 is a deficient number, since it is larger than the sum of its proper divisors (608000710).

1216001414 is an equidigital number, since it uses as much as digits as its factorization.

1216001414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608000709.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1216001414 is about 34871.2118229350. The cubic root of 1216001414 is about 1067.3610732079.

Adding to 1216001414 its reverse (4141006121), we get a palindrome (5357007535).

The spelling of 1216001414 in words is "one billion, two hundred sixteen million, one thousand, four hundred fourteen".