1214213011209 has 64 divisors (see below), whose sum is σ = 2103450197760. Its totient is φ = 692598988800.

The previous prime is 1214213011177. The next prime is 1214213011241. The reversal of 1214213011209 is 9021103124121.

1214213011209 is a `hidden beast` number, since 1 + 2 + 1 + 421 + 30 + 1 + 1 + 209 = 666.

It is an interprime number because it is at equal distance from previous prime (1214213011177) and next prime (1214213011241).

It is not a de Polignac number, because 1214213011209 - 2⁵ = 1214213011177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1214213011289) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1075512 + ... + 1893449.

It is an arithmetic number, because the mean of its divisors is an integer number (32866409340).

Almost surely, 2^{1214213011209} is an apocalyptic number.

It is an amenable number.

1214213011209 is a deficient number, since it is larger than the sum of its proper divisors (889237186551).

1214213011209 is an equidigital number, since it uses as much as digits as its factorization.

1214213011209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969010 (or 2968992 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 1214213011209 in words is "one trillion, two hundred fourteen billion, two hundred thirteen million, eleven thousand, two hundred nine".