1012324531572 has 144 divisors (see below), whose sum is σ = 2693366020800. Its totient is φ = 320125478400.

The previous prime is 1012324531531. The next prime is 1012324531597. The reversal of 1012324531572 is 2751354232101.

1012324531572 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 32 + 4 + 53 + 1 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249523368 + ... + 249527424.

It is an arithmetic number, because the mean of its divisors is an integer number (18703930700).

Almost surely, 2^{1012324531572} is an apocalyptic number.

1012324531572 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 1012324531572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346683010400).

1012324531572 is an abundant number, since it is smaller than the sum of its proper divisors (1681041489228).

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

1012324531572 is a wasteful number, since it uses less digits than its factorization.

1012324531572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 1012324531572 its reverse (2751354232101), we get a palindrome (3763678763673).

The spelling of 1012324531572 in words is "one trillion, twelve billion, three hundred twenty-four million, five hundred thirty-one thousand, five hundred seventy-two".