1430212520 has 64 divisors (see below), whose sum is σ = 3545389440. Its totient is φ = 514912000.

The previous prime is 1430212501. The next prime is 1430212573. The reversal of 1430212520 is 252120341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1430212492 and 1430212501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28349 + ... + 60531.

It is an arithmetic number, because the mean of its divisors is an integer number (55396710).

Almost surely, 2^1430212520 is an apocalyptic number.

1430212520 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 1430212520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772694720).

1430212520 is an abundant number, since it is smaller than the sum of its proper divisors (2115176920).

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

1430212520 is a wasteful number, since it uses less digits than its factorization.

1430212520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32306 (or 32302 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1430212520 is about 37818.1506686935. The cubic root of 1430212520 is about 1126.6789797486.

Adding to 1430212520 its reverse (252120341), we get a palindrome (1682332861).

It can be divided in two parts, 143021 and 2520, that added together give a palindrome (145541).

The spelling of 1430212520 in words is "one billion, four hundred thirty million, two hundred twelve thousand, five hundred twenty".