1421230212 has 36 divisors (see below), whose sum is σ = 3725614256. Its totient is φ = 473743080.

The previous prime is 1421230193. The next prime is 1421230219. The reversal of 1421230212 is 2120321241.

It is a happy number.

1421230212 is a `hidden beast` number, since 1 + 421 + 2 + 30 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (1421230219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730114 + ... + 732057.

Almost surely, 2^1421230212 is an apocalyptic number.

1421230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1421230212 is an abundant number, since it is smaller than the sum of its proper divisors (2304384044).

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

1421230212 is a wasteful number, since it uses less digits than its factorization.

1421230212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462190 (or 1462176 counting only the distinct ones).

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

The square root of 1421230212 is about 37699.2070473637. The cubic root of 1421230212 is about 1124.3153594332.

Adding to 1421230212 its reverse (2120321241), we get a palindrome (3541551453).

The spelling of 1421230212 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, two hundred twelve".