211219996 has 12 divisors (see below), whose sum is σ = 398068552. Its totient is φ = 97486128.

The previous prime is 211219973. The next prime is 211219997. The reversal of 211219996 is 699912112.

It is a super-2 number, since 2×211219996² = 89227773420480032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211219997) 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, 2030910 + ... + 2031013.

Almost surely, 2^211219996 is an apocalyptic number.

211219996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

211219996 is a deficient number, since it is larger than the sum of its proper divisors (186848556).

211219996 is a wasteful number, since it uses less digits than its factorization.

211219996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4061940 (or 4061938 counting only the distinct ones).

The product of its digits is 17496, while the sum is 40.

The square root of 211219996 is about 14533.4096481177. The cubic root of 211219996 is about 595.5410148787.

The spelling of 211219996 in words is "two hundred eleven million, two hundred nineteen thousand, nine hundred ninety-six".