116212215 has 32 divisors (see below), whose sum is σ = 221746176. Its totient is φ = 50814720.

The previous prime is 116212207. The next prime is 116212279. The reversal of 116212215 is 512212611.

It is not a de Polignac number, because 116212215 - 2³ = 116212207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 116212191 and 116212200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21646 + ... + 26475.

It is an arithmetic number, because the mean of its divisors is an integer number (6929568).

Almost surely, 2^116212215 is an apocalyptic number.

116212215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116212215 is a deficient number, since it is larger than the sum of its proper divisors (105533961).

116212215 is a wasteful number, since it uses less digits than its factorization.

116212215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48159.

The product of its digits is 240, while the sum is 21.

The square root of 116212215 is about 10780.1769465997. The cubic root of 116212215 is about 487.9971207727.

Adding to 116212215 its reverse (512212611), we get a palindrome (628424826).

The spelling of 116212215 in words is "one hundred sixteen million, two hundred twelve thousand, two hundred fifteen".