1430121312 has 96 divisors (see below), whose sum is σ = 4315096800. Its totient is φ = 460260864.

The previous prime is 1430121293. The next prime is 1430121323. The reversal of 1430121312 is 2131210341.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3483 + ... + 53594.

It is an arithmetic number, because the mean of its divisors is an integer number (44948925).

Almost surely, 2^1430121312 is an apocalyptic number.

1430121312 is a gapful number since it is divisible by the number (12) 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 1430121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157548400).

1430121312 is an abundant number, since it is smaller than the sum of its proper divisors (2884975488).

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

1430121312 is a wasteful number, since it uses less digits than its factorization.

1430121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57125 (or 57111 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1430121312 is about 37816.9447734742. The cubic root of 1430121312 is about 1126.6550289209.

Adding to 1430121312 its reverse (2131210341), we get a palindrome (3561331653).

The spelling of 1430121312 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, three hundred twelve".