1214221204 has 48 divisors (see below), whose sum is σ = 2450291200. Its totient is φ = 515725056.

The previous prime is 1214221199. The next prime is 1214221223. The reversal of 1214221204 is 4021224121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622277 + ... + 2622739.

Almost surely, 2^1214221204 is an apocalyptic number.

1214221204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1214221204 is an abundant number, since it is smaller than the sum of its proper divisors (1236069996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214221204 is a wasteful number, since it uses less digits than its factorization.

1214221204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1214221204 is about 34845.6769772091. The cubic root of 1214221204 is about 1066.8399513181.

Adding to 1214221204 its reverse (4021224121), we get a palindrome (5235445325).

The spelling of 1214221204 in words is "one billion, two hundred fourteen million, two hundred twenty-one thousand, two hundred four".