1302012532530 has 64 divisors (see below), whose sum is σ = 3472190841600. Its totient is φ = 347187600000.

The previous prime is 1302012532511. The next prime is 1302012532603. The reversal of 1302012532530 is 352352102031.

It is a happy number.

1302012532530 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 0 + 125 + 3 + 2 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1302012532494 and 1302012532503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6623155 + ... + 6816905.

It is an arithmetic number, because the mean of its divisors is an integer number (54252981900).

Almost surely, 2^{1302012532530} is an apocalyptic number.

1302012532530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302012532530 is an abundant number, since it is smaller than the sum of its proper divisors (2170178309070).

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

1302012532530 is a wasteful number, since it uses less digits than its factorization.

1302012532530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218656 (or 218650 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1302012532530 its reverse (352352102031), we get a palindrome (1654364634561).

The spelling of 1302012532530 in words is "one trillion, three hundred two billion, twelve million, five hundred thirty-two thousand, five hundred thirty".