1421212324 has 24 divisors (see below), whose sum is σ = 2844103808. Its totient is φ = 608731200.

The previous prime is 1421212321. The next prime is 1421212327. The reversal of 1421212324 is 4232121241.

It is an interprime number because it is at equal distance from previous prime (1421212321) and next prime (1421212327).

It is a junction number, because it is equal to n+sod(n) for n = 1421212295 and 1421212304.

It is not an unprimeable number, because it can be changed into a prime (1421212321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36337 + ... + 64519.

Almost surely, 2^1421212324 is an apocalyptic number.

1421212324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1421212324 is an abundant number, since it is smaller than the sum of its proper divisors (1422891484).

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

1421212324 is a wasteful number, since it uses less digits than its factorization.

1421212324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29995 (or 29993 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1421212324 is about 37698.9698002479. The cubic root of 1421212324 is about 1124.3106424312.

Adding to 1421212324 its reverse (4232121241), we get a palindrome (5653333565).

The spelling of 1421212324 in words is "one billion, four hundred twenty-one million, two hundred twelve thousand, three hundred twenty-four".