1212203214 has 48 divisors (see below), whose sum is σ = 2683279872. Its totient is φ = 395416464.

The previous prime is 1212203191. The next prime is 1212203233. The reversal of 1212203214 is 4123022121.

It is a happy number.

1212203214 is a `hidden beast` number, since 121 + 220 + 321 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156067 + ... + 163649.

It is an arithmetic number, because the mean of its divisors is an integer number (55901664).

Almost surely, 2^1212203214 is an apocalyptic number.

1212203214 is an abundant number, since it is smaller than the sum of its proper divisors (1471076658).

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

1212203214 is a wasteful number, since it uses less digits than its factorization.

1212203214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781 (or 7778 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1212203214 is about 34816.7088335471. The cubic root of 1212203214 is about 1066.2486076341.

Adding to 1212203214 its reverse (4123022121), we get a palindrome (5335225335).

The spelling of 1212203214 in words is "one billion, two hundred twelve million, two hundred three thousand, two hundred fourteen".