212201231219 has 4 divisors (see below), whose sum is σ = 212206043544. Its totient is φ = 212196418896.

The previous prime is 212201231159. The next prime is 212201231261. The reversal of 212201231219 is 912132102212.

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

It is a cyclic number.

It is not a de Polignac number, because 212201231219 - 2³² = 207906263923 is a prime.

It is a super-2 number, since 2×212201231219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201231269) 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, 2339402 + ... + 2428415.

It is an arithmetic number, because the mean of its divisors is an integer number (53051510886).

Almost surely, 2^212201231219 is an apocalyptic number.

212201231219 is a deficient number, since it is larger than the sum of its proper divisors (4812325).

212201231219 is an equidigital number, since it uses as much as digits as its factorization.

212201231219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812324.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 212201231219 in words is "two hundred twelve billion, two hundred one million, two hundred thirty-one thousand, two hundred nineteen".