1214213011178 has 4 divisors (see below), whose sum is σ = 1821319516770. Its totient is φ = 607106505588.

The previous prime is 1214213011177. The next prime is 1214213011241. The reversal of 1214213011178 is 8711103124121.

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

It can be written as a sum of positive squares in only one way, i.e., 675153092329 + 539059918849 = 821677^2 + 734207^2 .

It is not an unprimeable number, because it can be changed into a prime (1214213011177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303553252793 + ... + 303553252796.

Almost surely, 2^{1214213011178} is an apocalyptic number.

1214213011178 is a deficient number, since it is larger than the sum of its proper divisors (607106505592).

1214213011178 is an equidigital number, since it uses as much as digits as its factorization.

1214213011178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607106505591.

The product of its (nonzero) digits is 2688, while the sum is 32.

Adding to 1214213011178 its reverse (8711103124121), we get a palindrome (9925316135299).

The spelling of 1214213011178 in words is "one trillion, two hundred fourteen billion, two hundred thirteen million, eleven thousand, one hundred seventy-eight".