1421012000 has 96 divisors (see below), whose sum is σ = 3503170944. Its totient is φ = 566496000.

The previous prime is 1421011981. The next prime is 1421012011. The reversal of 1421012000 is 2101241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251685 + ... + 2252315.

It is an arithmetic number, because the mean of its divisors is an integer number (36491364).

Almost surely, 2^1421012000 is an apocalyptic number.

1421012000 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 1421012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751585472).

1421012000 is an abundant number, since it is smaller than the sum of its proper divisors (2082158944).

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

1421012000 is an equidigital number, since it uses as much as digits as its factorization.

1421012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1421012000 is about 37696.3128170382. The cubic root of 1421012000 is about 1124.2578150001.

Adding to 1421012000 its reverse (2101241), we get a palindrome (1423113241).

The spelling of 1421012000 in words is "one billion, four hundred twenty-one million, twelve thousand".