10021212324 has 96 divisors (see below), whose sum is σ = 26442218880. Its totient is φ = 3281616000.

The previous prime is 10021212323. The next prime is 10021212337. The reversal of 10021212324 is 42321212001.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10021212297 and 10021212306.

It is not an unprimeable number, because it can be changed into a prime (10021212323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1425442 + ... + 1432454.

It is an arithmetic number, because the mean of its divisors is an integer number (275439780).

Almost surely, 2^10021212324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021212324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13221109440).

10021212324 is an abundant number, since it is smaller than the sum of its proper divisors (16421006556).

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

10021212324 is a wasteful number, since it uses less digits than its factorization.

10021212324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258 (or 7250 counting only the distinct ones).

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

Adding to 10021212324 its reverse (42321212001), we get a palindrome (52342424325).

The spelling of 10021212324 in words is "ten billion, twenty-one million, two hundred twelve thousand, three hundred twenty-four".