1400212000 has 192 divisors, whose sum is σ = 3798482688. Its totient is φ = 507232000.

The previous prime is 1400211961. The next prime is 1400212007. The reversal of 1400212000 is 2120041.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1400212007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5323869 + ... + 5324131.

It is an arithmetic number, because the mean of its divisors is an integer number (19783764).

Almost surely, 2^1400212000 is an apocalyptic number.

1400212000 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 1400212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899241344).

1400212000 is an abundant number, since it is smaller than the sum of its proper divisors (2398270688).

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

1400212000 is an equidigital number, since it uses as much as digits as its factorization.

1400212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1400212000 is about 37419.4067296637. The cubic root of 1400212000 is about 1118.7454063875.

Adding to 1400212000 its reverse (2120041), we get a palindrome (1402332041).

The spelling of 1400212000 in words is "one billion, four hundred million, two hundred twelve thousand".