1242230000 has 200 divisors, whose sum is σ = 3430601856. Its totient is φ = 431200000.

The previous prime is 1242229991. The next prime is 1242230021. The reversal of 1242230000 is 322421.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2529755 + ... + 2530245.

Almost surely, 2^1242230000 is an apocalyptic number.

1242230000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1715300928).

1242230000 is an abundant number, since it is smaller than the sum of its proper divisors (2188371856).

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

1242230000 is a wasteful number, since it uses less digits than its factorization.

1242230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1242230000 is about 35245.2833723890. The cubic root of 1242230000 is about 1074.9807099477.

Adding to 1242230000 its reverse (322421), we get a palindrome (1242552421).

The spelling of 1242230000 in words is "one billion, two hundred forty-two million, two hundred thirty thousand".